PLANT FAMILY	PLANT SPECIES	PLANT COMMON NAME	ASSOCIATED SAWFLIES	ASSOCIATION	REFERENCE	LINK
Aceraceae	Acer campestre	hedge maple	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Aceraceae	Acer macrophyllum	bigleaf maple	Orussus thoracicus	collected from	Middlekauff 1983	Orussus
Aceraceae	Acer negundo	boxelder	Cimbex americanus	larval host	Stein 1974	Cimbex
Aceraceae	Acer negundo	boxelder	Tremex columba	larval host	Schiff et al. 2012	Tremex
Aceraceae	Acer rubrum	red maple	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Aceraceae	Acer rubrum	red maple	Tremex columba	larval host	Schiff et al. 2012	Tremex
Aceraceae	Acer rubrum	red maple	Xiphydria maculata	larval host	Smith 1976c	Xiphydria
Aceraceae	Acer saccharum	sugar maple	Caulocampus acericaulis	larval host	Smith 1968	Caulocampus
Aceraceae	Acer saccharum	sugar maple	Orussus minutus	collected from	Middlekauff 1983	Orussus
Aceraceae	Acer saccharum	sugar maple	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Aceraceae	Acer saccharum	sugar maple	Tremex columba	larval host	Schiff et al. 2012	Tremex
Aceraceae	Acer saccharum	sugar maple	Xiphydria maculata	larval host	Smith 1976c	Xiphydria
Aceraceae	Acer sp.	maple	Dolerus unicolor	adult food source	Goulet 1986	Dolerus
Aceraceae	Acer sp.	maple	Pristiphora subbifida	host in native range	Smith 2016	Pristiphora
Aceraceae	Acer sp.	maple	Tremex columba	larval host	Schiff et al. 2012	Tremex
Aceraceae	Acer sp.	maple	Xiphydria abdominalis	larval host	Smith 1978	Xiphydria
Aceraceae	Acer sp.	maple	Xiphydria maculata	larval host	Smith 1976c	Xiphydria
Aceraceae	Acer spp.	maple	Cimbex americanus	larval host	Stein 1974	Cimbex
Anacardiaceae	Rhus copallinum	winged sumac	Arge coccinea	larval host	Smith 1989	Arge
Anacardiaceae	Rhus glabra	smooth sumac	Arge coccinea	larval host	Smith 1989	Arge
Anacardiaceae	Rhus sp.	sumac	Arge coccinea	larval host	Smith 1989	Arge
Anacardiaceae	Rhus trilobata	skunkbush sumac	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Anacardiaceae	Rhus typhina	staghorn sumac	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Anacardiaceae	Toxicodendron radicans	eastern poison ivy	Arge	larval host	Smith 1989	Arge
Anacardiaceae	Toxicodendron radicans	eastern poison ivy	Arge humeralis	larval host	Smith 1989	Arge
Anacardiaceae	Toxodendron vernix	poison sumac	Arge humeralis	larval host	Smith 1989	Arge
Apiaceae	Angelica genuflexa	kneeling angelica	Tenthredo opima	collected from	Goulet 1996	Tenthredo
Apiaceae	Cicuta douglasii	western water hemlock	Tenthredo opima	collected from	Goulet 1996	Tenthredo
Apiaceae	Conium maculatum	poison hemlock	Caenocephus aldrichi	possible host	Middlekauff 1969	Caenocephus
Apiaceae	Heracleum sp.	cowparsnip	Tenthredo alaskana	collected from	Goulet 1996	Tenthredo
Apiaceae	Ligusticum sp.	licorice-root	Tenthredo siskiyou	collected from	Goulet 1996	Tenthredo
Apiaceae	Oenanthe sarmentosa	water parsley	Tenthredo opima	collected from	Goulet 1996	Tenthredo
Apiaceae	Pteryxia terebinthina	turpentine wavewing	Deda annulipes	possible host	Gibson 1980a	Deda
Apiaceae	Pteryxia terebinthina	turpentine wavewing	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Apiaceae	Pteryxia terebinthina	turpentine wavewing	Tenthredo subnigriceps	collected from	Goulet 1996	Tenthredo
Araucariaceae	Araucaria angustifolia	parana pine	Ophrynopus depressatus	host of the insect host	Vilhelmsen and Smith 2002	Ophrynopus
Asclepiadaceae	Asclepias sp.	milkweed	Zynzus magnus	collected from	Smith 1992	Zynzus
Asparagaceae	Agave nelsoni	N/A	Ophrynopus nigricans	host of the insect host	Vilhelmsen and Smith 2002	Ophrynopus
Asparagaceae	Asparagus officinalis	garden asparagus	Phylloecus trimaculatus	collected from	Smith 1986a	Phylloecus
Asteraceae	Achillea millefolium	common yarrow	Tenthredo opima	collected from	Goulet 1996	Tenthredo
Asteraceae	Arnica sp.	arnica	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Asteraceae	Cirsium sp.	thistle	Ametastegia tenera	recorded from in native range	Smith 1979a	Ametastegia
Asteraceae	Cirsium vulgare	bull thistle	Ametastegia tenera	recorded from in native range	Smith 1979a	Ametastegia
Asteraceae	Doellingeria umbellata	parasol whitetop	Macrophya flavolineata	larval host	Eiseman and Smith 2020	Macrophya
Asteraceae	Doronicum spp.	false leopardbane	Tenthredo devia	recorded from in native range	Goulet 1996	Tenthredo
Asteraceae	Encelia farinosa	brittlebush	Filacus pluricinctus	collected from	Smith and Gibson 1984	Filacus
Asteraceae	Helianthus sp.	sunflower	Kerita atira	collected from	Smith 1976d	Kerita
Asteraceae	Helianthus sp.	sunflower	Tremex columba	collected from	Schiff et al. 2012	Tremex
Asteraceae	Lactuca sativa	lettuce	Monostegia abdominalis	host in native range	Smith 1979a	Monostegia
Asteraceae	Packera subnuda	Buek's groundsel	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Asteraceae	Rudbeckia laciniata	cutleaf coneflower	Macrophya flavolineata	possible host	Eiseman and Smith 2020	Macrophya
Asteraceae	Rudbeckia laciniata	cutleaf coneflower	Macrophya pulchella	possible host	Eiseman and Smith 2020	Macrophya
Asteraceae	Rudbeckia spp.	cone flower	Phylloecus trimaculatus	collected from	Smith 1986a	Phylloecus
Asteraceae	Senecio integerrimus exaltatus	Columbia ragwort	Tenthredo subnigriceps	collected from	Goulet 1996	Tenthredo
Asteraceae	Senecio scorzonella	Sierra ragwort	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Asteraceae	Solidago juncea	early goldenrod	Macrophya flavolineata	possible host	Eiseman and Smith 2020	Macrophya
Asteraceae	Solidago juncea	early goldenrod	Macrophya pulchella	possible host	Eiseman and Smith 2020	Macrophya
Asteraceae	Solidago multiradiata	Rocky Mountain goldenod	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Asteraceae	Solidago sp.	goldenrod	Macremphytus tarsatus	possible host	Smith 1979a	Macremphytus
Asteraceae	Solidago spp.	goldenrod	Pachyprotasis rapae	larval host	Smith 2006e	Pachyprotasis
Asteraceae	Symphyotrichum prenanthoides	crookedstem aster	Macrophya flavolineata	possible host	Eiseman and Smith 2020	Macrophya
Asteraceae	Symphyotrichum prenanthoides	crookedstem aster	Macrophya pulchella	possible host	Eiseman and Smith 2020	Macrophya
Asteraceae	Taraxacum officinale	common dandelion	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Asteraceae	Taraxacum officinale	common dandelion	Tenthredo alienata	collected from	Goulet 1996	Tenthredo
Balsaminaceae	Impatiens capensis	jewelweed	Aglaostigma semiluteum	larval host	Smith 2006e	Aglaostigma
Balsaminaceae	Impatiens sp.	touch-me-not	Aglaostigma semiluteum	larval host	Smith and Strazanac 2016	Aglaostigma
Berberidaceae	Podophyllum peltatum	mayapple	Aglaostigma quattuordecimpunctatum	larval host	Smith 2006e	Aglaostigma
Betulaceae	Alnus glutinosa	European alder	Eriocampa ovata	larval host	Smith 1979a	Eriocampa
Betulaceae	Alnus glutinosa	European alder	Eriocampa ovata	collected from	Smith 1979a	Eriocampa
Betulaceae	Alnus glutinosa	European alder	Fenusa dohrnii	collected from	Smith 1971a	Fenusa
Betulaceae	Alnus glutinosa	European alder	Monsoma pulveratum	host in native range	Kruse et al. 2010	Monsoma
Betulaceae	Alnus incana	gray alder	Arge	larval host	Smith 1989	Arge
Betulaceae	Alnus incana	gray alder	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Alnus incana	gray alder	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Alnus incana	gray alder	Dimorphopteryx pinguis	on specimen label	Smith 1979a	Dimorphopteryx
Betulaceae	Alnus incana	gray alder	Eriocampa ovata	larval host	Smith 1979a	Eriocampa
Betulaceae	Alnus incana	gray alder	Eriocampa ovata	collected from	Smith 1979a	Eriocampa
Betulaceae	Alnus incana	gray alder	Nematus erythrogaster	larval host	Smith 2008a	Nematus
Betulaceae	Alnus incana rugosa	speckled alder	Arge	larval host	Smith 1989	Arge
Betulaceae	Alnus incana rugosa	speckled alder	Eriocampa ovata	collected from	Smith 1979a	Eriocampa
Betulaceae	Alnus incana rugosa	speckled alder	Fenusa dohrnii	larval host	Smith 1971a	Fenusa
Betulaceae	Alnus incana rugosa	speckled alder	Nematus erythrogaster	larval host	Smith 2008a	Nematus
Betulaceae	Alnus incana tenuifolia	thinleaf alder	Monsoma pulveratum	larval host	Kruse et al. 2010	Monsoma
Betulaceae	Alnus rubra	red alder	Eriocampa ovata	larval host	Smith 1979a	Eriocampa
Betulaceae	Alnus rubra	red alder	Eriocampa ovata	larval host	Smith 1979a	Eriocampa
Betulaceae	Alnus rubra	red alder	Heterarthrus vagans	larval host	Humble 2010	Heterarthrus
Betulaceae	Alnus sp.	alder	Ametastegia angusta	collected from	Smith 1979a	Ametastegia
Betulaceae	Alnus sp.	alder	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Alnus sp.	alder	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Alnus sp.	alder	Dimorphopteryx melanognathus	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Alnus sp.	alder	Dimorphopteryx pinguis	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Alnus sp.	alder	Empria multicolor	larval host	Smith 1979a	Empria
Betulaceae	Alnus sp.	alder	Eriocampa ovata	larval host	Smith 1979a	Eriocampa
Betulaceae	Alnus sp.	alder	Monsoma inferentium	larval host	Smith 1979a	Monsoma
Betulaceae	Alnus sp.	birch	Nematinus ochreatus	larval host	Smith 1986c	Nematinus
Betulaceae	Alnus sp.	alder	Profenusa inspirata	collected from	Smith 1971a	Profenusa
Betulaceae	Alnus sp.	alder	Xiphydria mellipes	collected from	Smith 1976c	Xiphydria
Betulaceae	Alnus sp.	alder	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Betulaceae	Alnus spp.	alder	Arge	larval host	Smith 1989	Arge
Betulaceae	Alnus spp.	alder	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Alnus spp.	alder	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Alnus spp.	alder	Cimbex	larval host	Smith and Middlekauff 1987	Cimbex
Betulaceae	Alnus spp.	alder	Cimbex americanus	larval host	Stein 1974	Cimbex
Betulaceae	Alnus spp.	alder	Cimbex americanus	larval host	Stein 1974	Cimbex
Betulaceae	Alnus spp.	alder	Cladius	larval host	Smith and Middlekauff 1987	Cladius
Betulaceae	Alnus spp.	alder	Cladius compressicornis	larval host	Smith and Strazanac 2016	Cladius
Betulaceae	Alnus spp.	alder	Dimorphopteryx melanognathus	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Alnus spp.	alder	Empria multicolor	larval host	Smith 1979a	Empria
Betulaceae	Alnus spp.	alder	Euura	larval host	Smith and Middlekauff 1987	Euura
Betulaceae	Alnus spp.	alder	Fenusa dohrnii	larval host	Smith 1971a	Fenusa
Betulaceae	Alnus spp.	alder	Fenusa dohrnii	larval host	Smith 1971a	Fenusa
Betulaceae	Alnus spp.	alder	Hemichroa	larval host	Smith and Middlekauff 1987	Hemichroa
Betulaceae	Alnus spp.	alder	Hemichroa crocea	larval host	BugGuide 2019	Hemichroa
Betulaceae	Alnus spp.	alder	Monsoma pulveratum	larval host	Smith and Goulet 2000	Monsoma
Betulaceae	Alnus spp.	alder	Nematinus	larval host	Smith 1986c	Nematinus
Betulaceae	Alnus spp.	alder	Nematus	larval host	Smith 1972	Nematus
Betulaceae	Alnus spp.	alder	Nematus alniastri	host in native range	Smith 1972	Nematus
Betulaceae	Alnus spp.	alder	Nematus erythrogaster	larval host	Smith 2008a	Nematus
Betulaceae	Alnus spp.	alder	Nematus latifasciatus	larval host	Smith 2008a	Nematus
Betulaceae	Alnus spp.	alder	Nematus umbratus	larval host	Smith 1979b	Nematus
Betulaceae	Alnus spp.	alder	Orussus thoracicus	collected from	Middlekauff 1983	Orussus
Betulaceae	Alnus spp.	alder	Orussus thoracicus	collected from	Middlekauff 1983	Orussus
Betulaceae	Alnus spp.	alder	Pristiphora	larval host	Smith and Middlekauff 1987	Pristiphora
Betulaceae	Alnus spp.	alder	Pristiphora siskiyouensis	larval host	Smith and Strazanac 2016	Pristiphora
Betulaceae	Alnus spp.	alder	Rhogogaster	larval host	Goulet 1992	Rhogogaster
Betulaceae	Alnus spp.	alder	Trichiosoma	larval host	Smith and Middlekauff 1987	Trichiosoma
Betulaceae	Alnus spp.	alder	Trichiosoma triangulum	larval host	Smith and Middlekauff 1987	Trichiosoma
Betulaceae	Alnus spp.	alder	Trichiosoma triangulum	larval host	Wong 1954	Trichiosoma
Betulaceae	Alnus spp.	alder	Xiphydria prolongata	larval host	Smith 1983	Xiphydria
Betulaceae	Alnus spp.	alder	Xyela	adult pollen source	Smith 1990	Xyela
Betulaceae	Alnus viridis	green alder	Heterarthrus nemoratus	possible host	Goulet 1992	Heterarthrus
Betulaceae	Betula alleghaniensis	yellow birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula alleghaniensis	yellow birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula alleghaniensis	yellow birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula alleghaniensis	yellow birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula alleghaniensis	yellow birch	Dimorphopteryx abnormis	on specimen label	Smith 1979a	Dimorphopteryx
Betulaceae	Betula alleghaniensis	yellow birch	Dimorphopteryx abnormis	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Betula alleghaniensis	yellow birch	Dimorphopteryx melanognathus	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Betula alleghaniensis	yellow birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula alleghaniensis	yellow birch	Nematus erythrogaster	possible host	Smith 2008a	Nematus
Betulaceae	Betula alleghaniensis	yellow birch	Nematus latifasciatus	larval host	Smith 2008a	Nematus
Betulaceae	Betula alleghaniensis	yellow birch	Nematus latitarsus	larval host	Smith 1972	Nematus
Betulaceae	Betula alleghaniensis	yellow birch	Profenusa thomsoni	larval host	Smith 1971a	Profenusa
Betulaceae	Betula alleghaniensis	yellow birch	Profenusa thomsoni	larval host	Smith 1971a	Profenusa
Betulaceae	Betula alleghaniensis	yellow birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula alleghaniensis	yellow birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula glandulosa	resin birch	Fenusa pumila	possible host	Snyder et al. 2007	Fenusa
Betulaceae	Betula glandulosa	resin birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula glandulosa	resin birch	Heterarthrus nemoratus	possible host	Snyder et al. 2007	Heterarthrus
Betulaceae	Betula glandulosa	resin birch	Profenusa thomsoni	larval host	Snyder et al. 2007	Profenusa
Betulaceae	Betula lenta	sweet birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula lenta	sweet birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula lenta	sweet birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula lenta	sweet birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula lenta	sweet birch	Empria multicolor	larval host	Smith 1979a	Empria
Betulaceae	Betula lenta	sweet birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula lenta	sweet birch	Nematus latitarsus	larval host	Smith 1972	Nematus
Betulaceae	Betula lenta	sweet birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula lenta	sweet birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula nana	dwarf birch	Fenusa pumila	possible host	Snyder et al. 2007	Fenusa
Betulaceae	Betula nana	dwarf birch	Heterarthrus nemoratus	possible host	Snyder et al. 2007	Heterarthrus
Betulaceae	Betula nana	dwarf birch	Profenusa thomsoni	larval host	Snyder et al. 2007	Profenusa
Betulaceae	Betula neoalaskana	resin birch	Fenusa pumila	possible host	Snyder et al. 2007	Fenusa
Betulaceae	Betula neoalaskana	resin birch	Heterarthrus nemoratus	possible host	Snyder et al. 2007	Heterarthrus
Betulaceae	Betula neoalaskana	resin birch	Profenusa thomsoni	possible host	Snyder et al. 2007	Profenusa
Betulaceae	Betula nigra	river birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula nigra	river birch	Nematus latitarsus	larval host	Smith 1972	Nematus
Betulaceae	Betula nigra	river birch	Xiphydria tibialis	collected from	Smith 1976c	Xiphydria
Betulaceae	Betula nigra	river birch	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Betulaceae	Betula occidentalis	water birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula occidentalis	water birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula occidentalis	water birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula occidentalis	water birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula occidentalis	water birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula occidentalis	water birch	Nematus latifasciatus	larval host	Smith 2008a	Nematus
Betulaceae	Betula occidentalis	water birch	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Betulaceae	Betula occidentalis	water birch	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Betulaceae	Betula occidentalis	water birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula occidentalis	water birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula papyrifera	paper birch	Allantus umbonatus	larval host	Wong 1966	Allantus
Betulaceae	Betula papyrifera	paper birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula papyrifera	paper birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula papyrifera	paper birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula papyrifera	paper birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula papyrifera	paper birch	Dimorphopteryx melanognathus	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Betula papyrifera	paper birch	Empria multicolor	larval host	Smith 1979a	Empria
Betulaceae	Betula papyrifera	paper birch	Fenusa pumila	possible host	Snyder et al. 2007	Fenusa
Betulaceae	Betula papyrifera	paper birch	Fenusella nana	larval host	Digweed et al. 2009	Fenusella
Betulaceae	Betula papyrifera	paper birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula papyrifera	paper birch	Heterarthrus nemoratus	possible host	Snyder et al. 2007	Heterarthrus
Betulaceae	Betula papyrifera	paper birch	Nematinus unicolor	larval host	Smith 1986c	Nematinus
Betulaceae	Betula papyrifera	paper birch	Nematinus unicolor	larval host	Smith 1986c	Nematinus
Betulaceae	Betula papyrifera	paper birch	Nematus erythrogaster	possible host	Smith 2008a	Nematus
Betulaceae	Betula papyrifera	paper birch	Nematus latifasciatus	larval host	Smith 2008a	Nematus
Betulaceae	Betula papyrifera	paper birch	Nematus latitarsus	larval host	Smith 1972	Nematus
Betulaceae	Betula papyrifera	paper birch	Profenusa thomsoni	larval host	Smith 1971a	Profenusa
Betulaceae	Betula papyrifera	paper birch	Profenusa thomsoni	larval host	Smith 1971a	Profenusa
Betulaceae	Betula papyrifera	paper birch	Trichiosoma triangulum	larval host	Wong 1954	Trichiosoma
Betulaceae	Betula papyrifera	paper birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula papyrifera	paper birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula papyrifera var. kenaica	Kenai birch	Fenusa pumila	possible host	Snyder et al. 2007	Fenusa
Betulaceae	Betula papyrifera var. kenaica	Kenai birch	Heterarthrus nemoratus	possible host	Snyder et al. 2007	Heterarthrus
Betulaceae	Betula papyrifera var. kenaica	Kenai birch	Profenusa thomsoni	possible host	Snyder et al. 2007	Profenusa
Betulaceae	Betula populifolia	gray birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula populifolia	gray birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula populifolia	gray birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula populifolia	gray birch	Nematus latitarsus	larval host	Smith 1972	Nematus
Betulaceae	Betula populifolia	gray birch	Profenusa thomsoni	larval host	Smith 1971a	Profenusa
Betulaceae	Betula populifolia	gray birch	Profenusa thomsoni	larval host	Smith 1971a	Profenusa
Betulaceae	Betula populifolia	gray birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula populifolia	gray birch	Xiphydria mellipes	larval host	Smith 1976c	Xiphydria
Betulaceae	Betula pumila	bog birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula sp.	birch	Allantus umbonatus	larval host	Smith 1979a	Allantus
Betulaceae	Betula sp.	birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula sp.	birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula sp.	birch	Dimorphopteryx abnormis	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Betula sp.	birch	Dimorphopteryx melanognathus	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Betula sp.	birch	Dimorphopteryx pinguis	larval host	Smith 1979a	Dimorphopteryx
Betulaceae	Betula sp.	birch	Empria candidata	larval host	Smith 1979a	Empria
Betulaceae	Betula sp.	birch	Empria multicolor	larval host	Smith 1979a	Empria
Betulaceae	Betula sp.	birch	Tremex columba	larval host	Schiff et al. 2012	Tremex
Betulaceae	Betula sp.	birch	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Betulaceae	Betula spp.	birch	Allantus basalis	host in native range	Smith 1979a	Allantus
Betulaceae	Betula spp.	birch	Arge	larval host	Smith 1989	Arge
Betulaceae	Betula spp.	birch	Arge cyra	larval host	Smith 1989	Arge
Betulaceae	Betula spp.	birch	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Betula spp.	birch	Cimbex	larval host	Smith and Middlekauff 1987	Cimbex
Betulaceae	Betula spp.	birch	Cimbex americanus	larval host	Stein 1974	Cimbex
Betulaceae	Betula spp.	birch	Cimbex americanus	larval host	Stein 1974	Cimbex
Betulaceae	Betula spp.	birch	Cladius	larval host	Smith and Middlekauff 1987	Cladius
Betulaceae	Betula spp.	birch	Dimorphopteryx pinguis	on specimen label	Smith 1979a	Dimorphopteryx
Betulaceae	Betula spp.	birch	Empria candidata	larval host	Smith 1979a	Empria
Betulaceae	Betula spp.	birch	Empria multicolor	larval host	Smith 1979a	Empria
Betulaceae	Betula spp.	birch	Euura pinguidorsum	larval host	Smith 1979b	Euura
Betulaceae	Betula spp.	birch	Fenusa pumila	larval host	Smith 1971a	Fenusa
Betulaceae	Betula spp.	birch	Fenusa pusilla	larval host	Smith 1971a	Fenusa
Betulaceae	Betula spp.	birch	Fenusella nana	larval host	Smith 1971a	Fenusella
Betulaceae	Betula spp.	birch	Heterarthrus nemoratus	larval host	Digweed et al. 2009	Heterarthrus
Betulaceae	Betula spp.	birch	Heterarthrus nemoratus	larval host	Smith 1971a	Heterarthrus
Betulaceae	Betula spp.	birch	Nematinus	larval host	Smith 1986c	Nematinus
Betulaceae	Betula spp.	birch	Nematus	larval host	Smith 1972	Nematus
Betulaceae	Betula spp.	alder	Nematus umbratus	larval host	Smith 1979b	Nematus
Betulaceae	Betula spp.	birch	Orussus minutus	collected from	Middlekauff 1983	Orussus
Betulaceae	Betula spp.	birch	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Betulaceae	Betula spp.	birch	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Betulaceae	Betula spp.	birch	Orussus thoracicus	collected from	Middlekauff 1983	Orussus
Betulaceae	Betula spp.	birch	Pamphilius	larval host	Middlekauff 1964	Pamphilius
Betulaceae	Betula spp.	birch	Pristiphora	larval host	Smith and Middlekauff 1987	Pristiphora
Betulaceae	Betula spp.	birch	Pristiphora borea	larval host	Smith 1979b	Pristiphora
Betulaceae	Betula spp.	birch	Pristiphora cadma	larval host	Smith 1979b	Pristiphora
Betulaceae	Betula spp.	birch	Pristiphora cincta	larval host	Smith and Strazanac 2016	Pristiphora
Betulaceae	Betula spp.	birch	Pristiphora melanocarpa	larval host	Smith 1979b	Pristiphora
Betulaceae	Betula spp.	birch	Pristiphora parbeta	larval host	Smith 1979b	Pristiphora
Betulaceae	Betula spp.	birch	Pristiphora pseudocoactula	host in European range	Prous et al. 2017	Pristiphora
Betulaceae	Betula spp.	birch	Pristiphora siskiyouensis	larval host	Smith 1979b	Pristiphora
Betulaceae	Betula spp.	birch	Pristiphora siskiyouensis	larval host	Smith and Strazanac 2016	Pristiphora
Betulaceae	Betula spp.	birch	Profenusa thomsoni	larval host	Smith 1971a	Profenusa
Betulaceae	Betula spp.	birch	Profenusa thomsoni	larval host	Smith 1971a	Profenusa
Betulaceae	Betula spp.	birch	Scolioneura vicina	larval host	Goulet 1992	Scolioneura
Betulaceae	Betula spp.	birch	Trichiosoma	larval host	Smith and Middlekauff 1987	Trichiosoma
Betulaceae	Betula spp.	birch	Trichiosoma triangulum	larval host	Smith and Middlekauff 1987	Trichiosoma
Betulaceae	Betula spp.	birch	Trichiosoma triangulum	larval host	Wong 1954	Trichiosoma
Betulaceae	Betula spp.	birch	Xiphydria	larval host	Goulet 1992	Xiphydria
Betulaceae	Betula spp.	birch	Xiphydria prolongata	larval host	Smith 1983	Xiphydria
Betulaceae	Betula spp.	birch	Xyela	adult pollen source	Smith 1990	Xyela
Betulaceae	Carpinus caroliniana	American hornbeam	Arge	larval host	Smith 1989	Arge
Betulaceae	Carpinus caroliniana	American hornbeam	Arge quidia	larval host	Smith 1989	Arge
Betulaceae	Carpinus caroliniana	American hornbeam	Arge smithi	larval host	Smith 1989	Arge
Betulaceae	Carpinus caroliniana	American hornbeam	Nematus carpini	larval host	Smith 2008a	Nematus
Betulaceae	Carpinus caroliniana	American hornbeam	Xiphydria champlaini	larval host	Smith 1976c	Xiphydria
Betulaceae	Carpinus caroliniana	American hornbeam	Xiphydria scafa	larval host	Smith 1976c	Xiphydria
Betulaceae	Carpinus sp.	hornbeam	Nematus carpini	larval host	Smith 2008a	Nematus
Betulaceae	Carpinus sp.	hornbeam	Nematus erythrogaster	possible host	Smith 2008a	Nematus
Betulaceae	Carpinus sp.	hornbeam	Tremex columba	larval host	Schiff et al. 2012	Tremex
Betulaceae	Corylus americana	American hazelnut	Arge pectoralis	larval host	Smith 1989	Arge
Betulaceae	Corylus americana	American hazelnut	Arge willi	larval host	Smith 1989	Arge
Betulaceae	Corylus americana	American hazelnut	Nematus corylus	larval host	Smith 2008a	Nematus
Betulaceae	Corylus cornuta	beaked hazelnut	Nematus corylus	larval host	Smith 2008a	Nematus
Betulaceae	Corylus cornuta	beaked hazelnut	Pamphilius ocreatus	larval host	Middlekauff 1964	Pamphilius
Betulaceae	Corylus sp.	hazelnut	Arge	larval host	Smith 1989	Arge
Betulaceae	Corylus sp.	hazelnut	Arge	larval host	Smith 1989	Arge
Betulaceae	Corylus sp.	hazelnut	Arge tumsua	larval host	Smith 1989	Arge
Betulaceae	Corylus sp.	hazelnut	Empria coryli	larval host	Smith 1979a	Empria
Betulaceae	Corylus sp.	hazelnut	Eriocampa ovata	recorded from in native range	Smith 1979a	Eriocampa
Betulaceae	Corylus sp.	hazelnut	Fallocampus albostigmus	possible host	Smith 1976a	Fallocampus
Betulaceae	Corylus sp.	hazelnut	Nematus curvarius	larval host	Smith 1972	Nematus
Betulaceae	Corylus spp.	hazelnut	Nematus hamamelis	possible host	Smith 2008a	Nematus
Betulaceae	Corylus spp.	hazelnut	Nematus septentrionalis	larval host	Alford 1984	Nematus
Betulaceae	Corylus spp.	hazelnut	Pamphilius ochreipes	collected from	Middlekauff 1964	Pamphilius
Betulaceae	Ostrya sp.	hophornbeam	Arge	larval host	Smith 1989	Arge
Betulaceae	Ostrya sp.	hophornbeam	Cimbex	larval host	Smith and Middlekauff 1987	Cimbex
Betulaceae	Ostrya sp.	hophornbeam	Euura ostryae	larval host	Smith and Strazanac 2016	Euura
Betulaceae	Ostrya virginiana	hophornbeam	Nematus carpini	possible host	Smith 2008a	Nematus
Betulaceae	Ostrya virginiana	hophornbeam	Nematus corylus	larval host	Eiseman and Smith 2020	Nematus
Bignoniaceae	Arrabidaea patellifera	N/A	Acordulecera	larval host	Smith 2010	Acordulecera
Blechnaceae	Blechnum spp.	midsorus fern	Heptamelus ochroleucus	host in native range	Smith 1969e	Heptamelus
Boraginaceae	Amsinckia douglasiana	Douglas' fiddleneck	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Boraginaceae	Amsinckia sp.	fiddleneck	Filacus pluricinctellus	larval host	Smith and Gibson 1984	Filacus
Boraginaceae	Amsinckia sp.	fiddleneck	Filacus pluricinctus	collected from	Smith and Gibson 1984	Filacus
Boraginaceae	Amsinckia tessellata	bristly fiddleneck	Filacus pluricinctellus	larval host	Smith and Gibson 1984	Filacus
Boraginaceae	Cryptantha intermedia	common cryptantha	Filacus doanei	collected from	Smith and Gibson 1984	Filacus
Boraginaceae	Cryptantha muricata	pointed cryptantha	Filacus doanei	collected from	Smith and Gibson 1984	Filacus
Boraginaceae	Hackelia micrantha	Jessica stickseed	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Boraginaceae	Mertensia sp.	bluebells	Kerita fidala	larval host	Smith 1976d	Kerita
Brassicaceae	Barbarea vulgaris	garden yellowrocket	Empria ignota	collected from	Smith 1979a	Empria
Brassicaceae	Brassica sp.	mustard	Kerita atira	collected from	Smith 1976d	Kerita
Brassicaceae	Brassica spp.	mustard	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Caprifoliaceae	Diervilla lonicera	northern bush honeysuckle	Arge	larval host	Smith 1989	Arge
Caprifoliaceae	Leycesteria spp.	leycesteria	Abia fasciata	larval host	Liston et al. 2014	Abia
Caprifoliaceae	Linnaea spp.	twinflower	Abia fasciata	larval host	Liston et al. 2014	Abia
Caprifoliaceae	Lonicera spp.	honeysuckle	Abia fasciata	larval host	Liston et al. 2014	Abia
Caprifoliaceae	Lonicera spp.	honeysuckle	Abia inflata	larval host	Liston et al. 2014	Abia
Caprifoliaceae	Lonicera spp.	honeysuckle	Abia lonicerae	larval host	Liston et al. 2014	Abia
Caprifoliaceae	Sambucus nigra canadensis	American black elderberry	Lagium atroviolaceum	larval host	Smith 1994b	Lagium
Caprifoliaceae	Sambucus sp.	elderberry	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Caprifoliaceae	Sambucus sp.	elderberry	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Caprifoliaceae	Sambucus sp.	elderberry	Lagium atroviolaceum	larval host	Smith 1986b	Lagium
Caprifoliaceae	Sambucus spp.	elderberry	Aglaostigma	larval host	Smith and Middlekauff 1987	Aglaostigma
Caprifoliaceae	Sambucus spp.	elderberry	Lagonis nevadensis	larval host	Smith 1969d	Lagonis
Caprifoliaceae	Sambucus spp.	elderberry	Macrophya	larval host	Smith 1991	Macrophya
Caprifoliaceae	Sambucus spp.	elderberry	Macrophya albomaculata	larval host	Smith and Strazanac 2016	Macrophya
Caprifoliaceae	Sambucus spp.	elderberry	Macrophya epinota	larval host	Smith and Strazanac 2016	Macrophya
Caprifoliaceae	Sambucus spp.	elderberry	Macrophya maculilabris	larval host	Smith and Strazanac 2016	Macrophya
Caprifoliaceae	Sambucus spp.	elderberry	Macrophya pannosa	larval host	Smith and Strazanac 2016	Macrophya
Caprifoliaceae	Sambucus spp.	elderberry	Macrophya propinqua	possible host	Smith and Strazanac 2016	Macrophya
Caprifoliaceae	Sambucus spp.	elderberry	Macrophya punctata	larval host	Smith and Strazanac 2016	Macrophya
Caprifoliaceae	Sambucus spp.	elderberry	Macrophya trisyllaba	larval host	Smith and Strazanac 2016	Macrophya
Caprifoliaceae	Symphoricarpos	snowberry	Abia fasciata	larval host	Liston et al. 2014	Abia
Caprifoliaceae	Symphoricarpos	snowberry	Abia lonicerae	larval host	Liston et al. 2014	Abia
Caprifoliaceae	Symphoricarpos albus	common snowberry	Blennogeneris spissipes	larval host	Smith 1969d	Blennogeneris
Caprifoliaceae	Viburnum	viburnum	Janus bimaculatus	larval host	Hanson 1986	Janus
Caprifoliaceae	Viburnum dentatum	southern arrowwood	Pamphilius pullatus	larval host	Middlekauff 1964	Pamphilius
Caprifoliaceae	Viburnum sp.	viburnum	Lagium atroviolaceum	larval host	Smith 1986b	Lagium
Caprifoliaceae	Viburnum sp.	viburnum	Macremphytus testaceus	possible host	Smith 1979a	Macremphytus
Caprifoliaceae	Viburnum spp.	viburnum	Abia lonicerae	larval host	Liston et al. 2014	Abia
Caprifoliaceae	Viburnum spp.	viburnum	Macrophya	larval host	Smith 1991	Macrophya
Chenopodiaceae	Atriplex hortensis	garden orache	Ametastegia glabrata	secondary host	Newcomer 1916	Ametastegia
Chenopodiaceae	Beta vulgaris	garden beet	Ametastegia glabrata	larval host	Newcomer 1916	Ametastegia
Chenopodiaceae	Chenopodium album	lambsquarters	Ametastegia equiseti	host in native range	Smith 1979a	Ametastegia
Chenopodiaceae	Chenopodium album	lambsquarters	Ametastegia glabrata	secondary host	Newcomer 1916	Ametastegia
Chenopodiaceae	Chenopodium sp.	goosefoot	Ametastegia glabrata	host in native range	Smith 1979a	Ametastegia
Convolvulaceae	Convolvulus sp.	bindweed	Sphacophilus cellularis	larval host	Smith 1992	Sphacophilus
Convolvulaceae	Ipomoea batatas	sweetpotato	Sphacophilus cellularis	larval host	Smith 1971c	Sphacophilus
Convolvulaceae	Ipomoea sp.	morning-glory	Atomacera pubicornis	larval host	Smith 1992	Atomacera
Convolvulaceae	Ipomoea sp.	morning-glory	Sphacophilus cellularis	larval host	Smith 1992	Sphacophilus
Convolvulaceae	Ipomoea sp.	morning-glory	Sphacophilus quixus	larval host	Smith 1992	Sphacophilus
Cornaceae	Cornus alternifolia	alternateleaf dogwood	Macremphytus tarsatus	larval host	Smith 1979a	Macremphytus
Cornaceae	Cornus florida	flowering dogwood	Macremphytus testaceus	larval host	Smith 1979a	Macremphytus
Cornaceae	Cornus sericea	redosier dogwood	Macremphytus testaceus	larval host	Smith 1979a	Macremphytus
Cornaceae	Cornus sericea	redosier dogwood	Onycholyda excavata	larval host	Middlekauff 1964	Onycholyda
Cornaceae	Cornus sp.	dogwood	Macremphytus lovetti	larval host	Smith 1979a	Macremphytus
Cornaceae	Cornus sp.	dogwood	Macremphytus semicornis	larval host	Smith 1979a	Macremphytus
Cornaceae	Cornus sp.	dogwood	Macremphytus tarsatus	larval host	Smith 1979a	Macremphytus
Cornaceae	Cornus sp.	dogwood	Macremphytus testaceus	larval host	Smith 1979a	Macremphytus
Cornaceae	Cornus sp.	dogwood	Phrontosoma belfragei	collected from	Smith 1979a	Phrontosoma
Cornaceae	Cornus sp.	dogwood	Phrontosoma usta	larval host	Smith 1979a	Phrontosoma
Cornaceae	Nyssa sylvatica	blackgum	Caliroa nyssae	larval host	Smith 1971a	Caliroa
Cornaceae	Nyssa sylvatica	blackgum	Tremex columba	larval host	Schiff et al. 2012	Tremex
Cupressaceae	Calocedrus decurrens	incense cedar	Augomonoctenus libocedrii	larval host	Middlekauff 1967	Augomonoctenus
Cupressaceae	Calocedrus decurrens	incense cedar	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Cupressaceae	Calocedrus decurrens	incense cedar	Syntexis libocedrii	larval host	Middlekauff 1974	Syntexis
Cupressaceae	Calocedrus decurrens	insence cedar	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Cupressaceae	Calocedrus decurrens	incense cedar	Xeris indecisus	possible host	Schiff et al. 2012	Xeris
Cupressaceae	Calocedrus decurrens	incense cedar	Xeris tarsalis	larval host	Schiff et al. 2012	Xeris
Cupressaceae	Chamaecyparis sp.	cedar	Urocerus gigas	collected from	Schiff et al. 2012	Urocerus
Cupressaceae	Cupressus sempervirens	Italian cypress	Susana annulata	collected from	Smith 2006c	Susana
Cupressaceae	Cupressus sempervirens	Italian cypress	Susana cupressi	larval host	Smith 2006c	Susana
Cupressaceae	Cupressus spp.	cypress	Susana cupressi	larval host	Smith 2006c	Susana
Cupressaceae	Hesperocyparis arizonica	Arizona cypress	Susana cupressi	collected from	Smith 2006c	Susana
Cupressaceae	Hesperocyparis forbesii	tecate cypress	Susana	larval host	Smith 2006c	Susana
Cupressaceae	Hesperocyparis goveniana	Gowen cypress	Susana marin	collected from	Smith 2006c	Susana
Cupressaceae	Hesperocyparis macnabiana	MacNab's cypress	Susana oregonensis	collected from	Smith 2006c	Susana
Cupressaceae	Hesperocyparis macrocarpa	Montery cypress	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Cupressaceae	Hesperocyparis macrocarpa	Montery cypress	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Cupressaceae	Hesperocyparis macrocarpa	Monterey cypress	Sirex behrensii	larval host	Schiff et al. 2012	Sirex behrensii
Cupressaceae	Hesperocyparis macrocarpa	Monterey cypress	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Cupressaceae	Hesperocyparis macrocarpa	Monterey cypress	Susana annulata	collected from	Smith 2006c	Susana
Cupressaceae	Hesperocyparis macrocarpa	Monterey cypress	Susana cupressi	collected from	Smith 2006c	Susana
Cupressaceae	Hesperocyparis macrocarpa	Monterey cypress	Xeris tarsalis	larval host	Schiff et al. 2012	Xeris
Cupressaceae	Juniperus chinensis	Chinese juniper	Susana	larval host	Smith 2006c	Susana
Cupressaceae	Juniperus occidentalis	western juniper	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Cupressaceae	Juniperus occidentalis	western juniper	Susana oregonensis	larval host	Smith 2006c	Susana
Cupressaceae	Juniperus occidentalis	western juniper	Syntexis libocedrii	larval host	Middlekauff 1974	Syntexis
Cupressaceae	Juniperus occidentalis	western juniper	Xeris tarsalis	larval host	Schiff et al. 2012	Xeris
Cupressaceae	Juniperus scopulorum	Rocky Mountain juniper	Susana fuscala	collected from	Smith 2006c	Susana
Cupressaceae	Juniperus sp.	juniper	Susana bakeri	larval host	Smith 2006c	Susana
Cupressaceae	Juniperus sp.	juniper	Susana diablo	collected from	Smith 2006c	Susana
Cupressaceae	Juniperus sp.	juniper	Susana juniperi	larval host	Smith 2006c	Susana
Cupressaceae	Juniperus sp.	juniper	Susana oregonensis	possible host	Smith 2006c	Susana
Cupressaceae	Juniperus sp.	juniper	Susana punctata	collected from	Smith 1969b	Susana
Cupressaceae	Juniperus sp.	juniper	Xeris tarsalis	larval host	Schiff et al. 2012	Xeris
Cupressaceae	Juniperus spp.	juniper	Monoctenus fulvus	larval host	Smith 1974b	Monoctenus
Cupressaceae	Juniperus spp.	juniper	Monoctenus melliceps	larval host	Smith and Strazanac 2016	Monoctenus
Cupressaceae	Juniperus spp.	juniper	Monoctenus sadadus	possible host	Smith 1974b	Monoctenus
Cupressaceae	Juniperus spp.	juniper	Monoctenus suffusus	larval host	Smith 1974b	Monoctenus
Cupressaceae	Juniperus virginiana	eastern redcedar	Urocerus taxodii	possible host	Schiff et al. 2012	Urocerus
Cupressaceae	Sequoia sempervirens	redwood	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Cupressaceae	Taxodium distichum	bald cypress	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Cupressaceae	Taxodium distichum	bald cypress	Urocerus taxodii	larval host	Schiff et al. 2012	Urocerus
Cupressaceae	Thuja occidentalis	arborvitae	Monoctenus suffusus	larval host	Smith 1974b	Monoctenus
Cupressaceae	Thuja plicata	western redcedar	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Cupressaceae	Thuja plicata	western redcedar	Susana	larval host	Smith 2006c	Susana
Cupressaceae	Thuja plicata	western redcedar	Syntexis libocedrii	possible host	Middlekauff 1974	Syntexis
Cupressaceae	Thuja plicata	western redcedar	Urocerus albicornis	collected from	Schiff et al. 2012	Urocerus
Cupressaceae	Thuja plicata	western redcedar	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Cupressaceae	Thuja plicata	western redcedar	Xeris tarsalis	larval host	Schiff et al. 2012	Xeris
Cupressaceae	Thuja sp.	arborvitae	Susana	possible host	Smith 2006c	Susana
Cyperaceae	Carex spp.	sedge	Brachythops flavens	larval host	Smith 1969e	Brachythops
Cyperaceae	Carex spp.	sedge	Brachythops wuestneii	larval host	Smith 1969e	Brachythops
Cyperaceae	Carex spp.	sedge	Dolerus asper	larval host	Goulet 1986	Dolerus
Cyperaceae	Carex spp.	sedge	Dolerus nitens	possible host	Goulet 1986	Dolerus
Cyperaceae	Carex spp.	sedge	Dolerus nortoni	collected from	Goulet 1986	Dolerus
Cyperaceae	Carex spp.	sedge	Euura aurantiaca	larval host	Smith 1979b	Euura
Cyperaceae	Carex spp.	sedge	Euura clibrichella	larval host	Smith 1979b	Euura
Cyperaceae	Carex spp.	sedge	Euura clitellata	larval host	Smith 1979b	Euura
Cyperaceae	Carex spp.	sedge	Euura corniger	larval host	Smith and Strazanac 2016	Euura
Cyperaceae	Carex spp.	sedge	Paracharactus niger	possible host	Smith 1969d	Paracharactus
Cyrillaceae	Cyrilla racemiflora	swamp titi	Kulcania mexicana	collected from	Vilhelmsen and Smith 2002	Kulcania
Dennstaedtiaceae	Dennstaedtia spp.	hayscented fern	Strongylogaster impressata	collected from	Smith and Strazanac 2016	Strongylogaster
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Aneugmenus flavipes	larval host	Smith 1969e	Aneugmenus
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Aneugmenus padi	larval host	Smith 1969e	Aneugmenus
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Eriocampidea arizonensis	collected from	Smith 1969e	Eriocampidea
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Strongylogaster distans	larval host	Smith 1969e	Strongylogaster
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Strongylogaster impressata	larval host	Smith 1969e	Strongylogaster
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Strongylogaster macula	host in native range	Smith 1969e	Strongylogaster
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Strongylogaster multicincta	larval host	Smith 1969e	Strongylogaster
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Strongylogaster polita	possible host	Smith 1969e	Strongylogaster
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Strongylogaster soriculatipes	possible host	Smith 1969e	Strongylogaster
Dennstaedtiaceae	Pteridium aquilinum	western brackenfern	Strongylogaster tibialis	larval host	Smith 1969e	Strongylogaster
Dennstaedtiaceae	Pteridium sp.	brackenfern	Thrinax albidopicta	possible host	Smith 1969e	Thrinax
Dryopteridaceae	Athyrium filix-femina	common ladyfern	Strongylogaster macula	host in native range	Smith 1969e	Strongylogaster
Dryopteridaceae	Athyrium spp.	ladyfern	Heptamelus ochroleucus	host in native range	Smith 1969e	Heptamelus
Dryopteridaceae	Athyrium spp.	ladyfern	Thrinax multicincta	larval host	Smith and Strazanac 2016	Thrinax
Dryopteridaceae	Deparia acrostichoides	silver false spleenwort	Thrinax multicincta	larval host	Smith 1969e	Thrinax
Dryopteridaceae	Onoclea sensibilis	sensitive fern	Thrinax albidopicta	larval host	Smith 1969e	Thrinax
Dryopteridaceae	Onoclea sensibilis	sensitive fern	Thrinax albidopicta	larval host	Smith 1969e	Thrinax
Equisetaceae	Equisetum arvense	field horsetail	Dolerus acidus	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum arvense	field horsetail	Dolerus apricus	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum arvense	field horsetail	Dolerus aprilis	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum arvense	field horsetail	Dolerus elderi	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum arvense	field horsetail	Dolerus gilvipes	host in native range	Goulet 1986	Dolerus
Equisetaceae	Equisetum arvense	field horsetail	Dolerus subfasciatus	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum arvense	field horsetail	Dolerus tibialis	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum fluviatile	water horsetail	Dolerus incisus	possible host	Goulet 1986	Dolerus
Equisetaceae	Equisetum pratense	meadow horsetail	Dolerus elderi	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum sp.	horsetail	Dolerus gessneri	possible host	Goulet 1986	Dolerus
Equisetaceae	Equisetum sp.	horsetail	Dolerus yukonensis	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum sylvaticum	woodland horsetail	Dolerus aprilis	collected from	Goulet 1986	Dolerus
Equisetaceae	Equisetum sylvaticum	woodland horsetail	Dolerus elderi	collected from	Goulet 1986	Dolerus
Ericaceae	Arctostaphylos uva-ursi	kinnikinnick	Xyela brunneiceps	collected from	Blank and Kramp 2017	Xyela
Ericaceae	Ledum groenlandicum	bog Laborador tea	Tenthredo originalis	collected from	Goulet 1996	Tenthredo
Ericaceae	Rhododendron canescens	mountain azalea	Arge abdominalis	larval host	Smith 1989	Arge
Ericaceae	Rhododendron sp.	azalea	Arge azaleae	larval host	Smith 1989	Arge
Ericaceae	Rhododendron sp.	azalea	Euura lipovskyi	larval host	Smith 1974a	Euura
Ericaceae	Rhododendron spp.	azalea	Arge clavicornis	larval host	Smith 1974b	Arge
Ericaceae	Rhododendron spp.	azalea	Euura azaleae	larval host	Smith 1974a	Euura
Ericaceae	Rhododendron spp.	azalea	Euura lipovskyi	larval host	Smith 1974a	Euura
Ericaceae	Rhododenron sp.	azalea	Euura lipovskyi	larval host	Smith and Strazanac 2016	Euura
Ericaceae	Vaccinium membranaceum	thinleaf huckleberry	Pristiphora fructicola	larval host	Smith and Dolan 2016	Pristiphora
Ericaceae	Vaccinium membranaceum	thinleaf huckleberry	Pristiphora macnabi	larval host	Wong 1968a	Pristiphora
Ericaceae	Vaccinium sp.	blueberry	Pristiphora litura	larval host	Smith and Strazanac 2016	Pristiphora
Ericaceae	Vaccinium spp.	blueberry	Pristiphora banksi	larval host	Smith and Strazanac 2016	Pristiphora
Ericaceae	Vaccinium spp.	blueberry	Pristiphora cincta	larval host	Smith and Strazanac 2016	Pristiphora
Ericaceae	Vaccinium spp.	blueberry	Pristiphora mollis	larval host	Smith and Strazanac 2016	Pristiphora
Erythroxylaceae	Erythroxylum havanense	coca	Acordulecera	larval host	Smith 2010	Acordulecera
Euphorbiaceae	Euphorbia sp.	spurge	Phylloecus fasciatus	collected from	Smith 1986a	Phylloecus
Fabaceae	Acacia sp.	acacia	Zynzus parvus	collected from	Smith 1970	Zynzus
Fabaceae	Acaciella angustissima	prairie acacia	Zynzus nigropectus	larval host	Smith 1992	Zynzus
Fabaceae	Apios americana	groundnut	Sphacophilus apios	larval host	Ross 1933	Sphacophilus
Fabaceae	Crotalaria longirostrata	longbeak rattlebox	Sphacophilus monjarasi	larval host	Monjarás-Barrera et al. 2015	Sphacophilus
Fabaceae	Dalea sp.	prairie clover	Sphacophilus nigrceps	larval host	Smith 1992	Sphacophilus
Fabaceae	Dalea sp.	prairie clover	Sphacophilus plumiger	larval host	Monjarás-Barrera et al. 2015	Sphacophilus
Fabaceae	Dalea sp.	prairie clover	Sphacophilus plumiger	larval host	Smith 1992	Sphacophilus
Fabaceae	Desmanthus illinoensis	Illinois bundleflower	Zynzus nigropectus	larval host	Smith 1970	Zynzus
Fabaceae	Desmanthus sp.	bundleflower	Zynzus nigropectus	larval host	Smith 1992	Zynzus
Fabaceae	Desmodium canadense	showy ticktrefoil	Atomacera debilis	larval host	Smith 1969c	Atomacera
Fabaceae	Desmodium glutinosum	pointedleaf ticktrefoil	Atomacera debilis	larval host	Smith 1969c	Atomacera
Fabaceae	Desmodium spp.	ticktrefoil	Atomacera debilis	larval host	Smith 1992	Atomacera
Fabaceae	Desmodium spp.	ticktrefoil	Sphacophilus apios	larval host	Smith 1992	Sphacophilus
Fabaceae	Hymenaea courbaril	stinkingtoe	Sphacophilus janzeni	larval host	Smith 1992	Sphacophilus
Fabaceae	Lespedeza sp.	lespedeza	Atomacera debilis	larval host	Smith 1969c	Atomacera
Fabaceae	Lotus grandiflorus	chaparral bird's-foot trefoil	Aprosthema brunniventre	larval host	Smith 1992	Aprosthema
Fabaceae	Lotus spp.	trefoil	Aprosthema	larval host	Smith and Middlekauff 1987	Aprosthema
Fabaceae	Lotus spp.	trefoil	Aprosthema brunniventre	larval host	Smith 1992	Aprosthema
Fabaceae	Lupinus sp.	lupine	Filacus pluricinctus	collected from	Smith and Gibson 1984	Filacus
Fabaceae	Lupinus sp.	lupine	Onycholyda multisignata	collected from	Middlekauff 1964	Onycholyda
Fabaceae	Lupinus spp.	lupine	Empria eosa	collected from	Smith 1979a	Empria
Fabaceae	Lupinus spp.	lupine	Tenthredo oregon	collected from	Goulet 1996	Tenthredo
Fabaceae	Medicago sativa	alfalfa	Ametastegia glabrata	secondary host	Newcomer 1916	Ametastegia
Fabaceae	Medicago sativa	alfalfa	Kerita atira	collected from	Smith 1976d	Kerita
Fabaceae	Mimosa sp.	sensitive plant	Zynzus	larval host	Smith 2006b	Zynzus
Fabaceae	Prosopis laevigata	smooth mesquite	Zynzus crassulus	collected from	Smith 1992	Zynzus
Fabaceae	Prosopis sp.	mesquite	Zynzus crassulus	collected from	Smith 1970	Zynzus
Fabaceae	Psoralea sp.	N/A	Sphacophilus abdominalis	larval host	Smith 1992	Sphacophilus
Fabaceae	Psoralea sp.	N/A	Sphacophilus albicosta	larval host	Smith 1992	Sphacophilus
Fabaceae	Psoralea sp.	N/A	Sphacophilus apios	larval host	Smith 1992	Sphacophilus
Fabaceae	Robinia hispida	bristly locust	Euura hispidae	larval host	Darling and Smith 1985	Euura
Fabaceae	Robinia hispida	bristly locust	Euura tibialis	larval host	Darling and Smith 1985	Euura
Fabaceae	Robinia pseudoacacia	black locust	Nematus abbotii	larval host	Smith 2008a	Nematus
Fabaceae	Robinia pseudoacacia	black locust	Xiphydria mellipes	collected from	Smith 1976c	Xiphydria
Fabaceae	Robinia sp.	locust	Tremex columba	larval host	Schiff et al. 2012	Tremex
Fabaceae	Robinia spp.	locust	Nematus laticulus	collected from	Smith 2008a	Nematus
Fabaceae	Trifolium wormskioldii	cows clover	Euura atriceps	larval host	Poinar and Smith 2003	Euura
Fabaceae	Vachellia farnesiana	sweet acacia	Zynzus bicolor	larval host	Smith 1970	Zynzus
Fagaceae	Castanea dentata	American chestnut	Caliroa lorata	larval host	Eiseman and Smith 2020	Caliroa
Fagaceae	Castanea dentata	American chestnut	Dimorphopteryx virginica	larval host	Smith 1979a	Dimorphopteryx
Fagaceae	Castanea dentata	American chestnut	Nematus castaneae	larval host	Smith 1972	Nematus
Fagaceae	Castanea dentata	American chestnut	Tremex columba	larval host	Schiff et al. 2012	Tremex
Fagaceae	Castanea pumila	chinquapin	Caliroa lorata	larval host	Eiseman and Smith 2020	Caliroa
Fagaceae	Castanea sp.	chestnut	Caliroa lorata	larval host	Smith 1971a	Caliroa
Fagaceae	Castanea sp.	chestnut	Dimorphopteryx virginica	larval host	Smith 1979a	Dimorphopteryx
Fagaceae	Castanea spp.	chestnut	Acordulecera dorsalis	larval host	Smith 2010	Acordulecera
Fagaceae	Castanea spp.	chestnut	Macrophya fuliginea	larval host	Smith and Strazanac 2016	Macrophya
Fagaceae	Fagus grandifolia	American beech	Tremex columba	larval host	Schiff et al. 2012	Tremex
Fagaceae	Fagus grandifolia	American beech	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Fagaceae	Fagus sp.	beech	Pamphilius ocreatus	collected from	Middlekauff 1964	Pamphilius
Fagaceae	Quercus agrifolia	California live oak	Periclista linea	larval host	Smith 1969d	Periclista
Fagaceae	Quercus alba	white oak	Caliroa obsoleta	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus alba	white oak	Caliroa quercuscoccineae	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus alba	white oak	Eriotremex formosanus	larval host	Li and Hulcr 2015	Eriotremex
Fagaceae	Quercus alba	white oak	Periclista albicollis	larval host	Stannard 1949	Periclista
Fagaceae	Quercus alba	white oak	Periclista diluta	larval host	Stannard 1949	Periclista
Fagaceae	Quercus alba	white oak	Periclista inaequidens	larval host	Stannard 1949	Periclista
Fagaceae	Quercus alba	white oak	Periclista media	larval host	Stannard 1949	Periclista
Fagaceae	Quercus alba	white oak	Profenusa alumna	possible host	Smith 1966b	Profenusa
Fagaceae	Quercus alba	white oak	Profenusa alumna	possible host	Smith 1971a	Profenusa
Fagaceae	Quercus alba	white oak	Profenusa lucifex	larval host	Smith 1971a	Profenusa
Fagaceae	Quercus coccinea	scarlet oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus coccinea	scarlet oak	Caliroa quercuscoccineae	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus coccinea	scarlet oak	Periclista bipartita	larval host	Stannard 1949	Periclista
Fagaceae	Quercus coccinea	scarlet oak	Periclista subtruncata	larval host	Stannard 1949	Periclista
Fagaceae	Quercus dumosa	coastal sage scrub oak	Ophrynon levigatus	host of the insect host	Blank et al. 2010	Ophrynon
Fagaceae	Quercus garryana	Oregon white oak	Janus rufiventris	larval host	Hanson 1986	Janus
Fagaceae	Quercus garryana	Oregon white oak	Profenusa inspirata	collected from	Smith 1971a	Profenusa
Fagaceae	Quercus ilicifolia	bear oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus ilicifolia	bear oak	Periclista albicollis	larval host	Smith 1969d	Periclista
Fagaceae	Quercus ilicifolia	bear oak	Profenusa alumna	possible host	Smith 1966b	Profenusa
Fagaceae	Quercus ilicifolia	bear oak	Profenusa alumna	possible host	Smith 1971a	Profenusa
Fagaceae	Quercus ilicifolia	bear oak	Profenusa lucifex	larval host	Eiseman and Smith 2020	Profenusa
Fagaceae	Quercus kelloggii	California black oak	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Fagaceae	Quercus laurifolia	laurel oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus laurifolia	laurel oak	Eriotremex formosanus	larval host	Li and Hulcr 2015	Eriotremex
Fagaceae	Quercus lobata	valley oak	Profenusa inspirata	collected from	Smith 1971a	Profenusa
Fagaceae	Quercus macrocarpa	bur oak	Periclista albicollis	larval host	Smith 1969d	Periclista
Fagaceae	Quercus macrocarpa	bur oak	Profenusa alumna	possible host	Smith 1966b	Profenusa
Fagaceae	Quercus macrocarpa	bur oak	Profenusa alumna	possible host	Smith 1971a	Profenusa
Fagaceae	Quercus macrocarpa	bur oak	Profenusa lucifex	larval host	Smith 1971a	Profenusa
Fagaceae	Quercus marilandica	blackjack oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus montana	chestnut oak	Caliroa obsoleta	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus montana	chestnut oak	Periclista diluta	larval host	Stannard 1949	Periclista
Fagaceae	Quercus nigra	water oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus nigra	water oak	Eriotremex formosanus	larval host	Li and Hulcr 2015	Eriotremex
Fagaceae	Quercus palustris	pin oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus palustris	pin oak	Caliroa fasciata	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus palustris	pin oak	Caliroa lobata	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus palustris	pin oak	Caliroa petiolata	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus palustris	pin oak	Caliroa quercuscoccineae	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus phellos	willow oak	Eriotremex formosanus	larval host	Li and Hulcr 2015	Eriotremex
Fagaceae	Quercus rubra	northern red oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus rubra	northern red oak	Caliroa fasciata	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus rubra	northern red oak	Caliroa lobata	larval host	Eiseman and Smith 2020	Caliroa
Fagaceae	Quercus rubra	northern red oak	Caliroa lorata	larval host	Eiseman and Smith 2020	Caliroa
Fagaceae	Quercus rubra	northern red oak	Dimorphopteryx autumnalis	larval host	Smith 1979a	Dimorphopteryx
Fagaceae	Quercus rubra	northern red oak	Periclista albicollis	larval host	Smith 1969d	Periclista
Fagaceae	Quercus rubra	northern red oak	Profenusa alumna	larval host	Smith 1966b	Profenusa
Fagaceae	Quercus rubra	northern red oak	Profenusa alumna	larval host	Smith 1971a	Profenusa
Fagaceae	Quercus rubra	northern red oak	Profenusa lucifex	larval host	Smith 1971a	Profenusa
Fagaceae	Quercus sp.	oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus sp.	oak	Dimorphopteryx autumnalis	larval host	Smith 1979a	Dimorphopteryx
Fagaceae	Quercus sp.	oak	Pamphilius	larval host	Smith and Middlekauff 1987	Pamphilius
Fagaceae	Quercus sp.	oak	Periclista entella	collected from	Smith 1969d	Periclista
Fagaceae	Quercus sp.	oak	Sirex nigricornis	collected from	Schiff et al. 2012	Sirex nigricornis
Fagaceae	Quercus sp.	oak	Tremex columba	larval host	Schiff et al. 2012	Tremex
Fagaceae	Quercus sp.	oak	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Fagaceae	Quercus sp.	oak	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Fagaceae	Quercus spp.	oak	Acordulecera dorsalis	larval host	Smith 2010	Acordulecera
Fagaceae	Quercus spp.	oak	Caliroa cerasi	host in native range	Smith 1971a	Caliroa
Fagaceae	Quercus spp.	oak	Caliroa fasciata	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus spp.	oak	Caliroa lobata	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus spp.	oak	Caliroa obsoleta	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus spp.	oak	Caliroa quercuscoccineae	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus spp.	oak	Craterocercus fraternalis	larval host	Smith and Strazanac 2016	Craterocercus
Fagaceae	Quercus spp.	oak	Craterocercus obtusus	larval host	Smith and Strazanac 2016	Craterocercus
Fagaceae	Quercus spp.	oak	Janus	larval host	Smith 1986a	Janus
Fagaceae	Quercus spp.	oak	Janus quercusae	larval host	Smith and Strazanac 2016	Janus
Fagaceae	Quercus spp.	oak	Periclista absens	larval host	Smith and Strazanac 2016	Periclista
Fagaceae	Quercus spp.	oak	Periclista electa	collected from	Stannard 1949	Periclista
Fagaceae	Quercus spp.	oak	Periclista major	larval host	Smith and Strazanac 2016	Periclista
Fagaceae	Quercus spp.	oak	Pristiphora chlorea	larval host	Smith and Strazanac 2016	Pristiphora
Fagaceae	Quercus spp.	oak	Profenusa alumna	larval host	Smith 1967c	Profenusa
Fagaceae	Quercus spp.	oak	Profenusa inspirata	larval host	Smith 1971a	Profenusa
Fagaceae	Quercus spp.	oak	Profenusa lucifex	larval host	Smith 1971a	Profenusa
Fagaceae	Quercus stellata	post oak	Caliroa obsoleta	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus velutina	black oak	Arge quidia	larval host	Smith 1989	Arge
Fagaceae	Quercus velutina	black oak	Caliroa fasciata	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus velutina	black oak	Caliroa lobata	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus velutina	black oak	Caliroa quercuscoccineae	larval host	Smith 1971a	Caliroa
Fagaceae	Quercus velutina	black oak	Dimorphopteryx autumnalis	larval host	Smith 1979a	Dimorphopteryx
Fagaceae	Quercus velutina	black oak	Periclista albicollis	larval host	Stannard 1949	Periclista
Fagaceae	Quercus velutina	black oak	Profenusa alumna	possible host	Smith 1966b	Profenusa
Fagaceae	Quercus velutina	black oak	Profenusa alumna	possible host	Smith 1971a	Profenusa
Fagaceae	Quercus wislizenii	interior live oak	Periclista pallipes	larval host	Stannard 1949	Periclista
Geraniaceae	Geranium atropurpureum var. cowenii	western purple cranesbill	Tenthredo coloradensis	collected from	Goulet 1996	Tenthredo
Geraniaceae	Geranium sp.	geranium	Ametastegia pallipes	recorded from in native range	Smith 1979a	Ametastegia
Hamamelidaceae	Hamamelis spp.	witchhazel	Nematus hamamelis	larval host	Smith 2008a	Nematus
Hamamelidaceae	Hamamelis virginiana	American witchhazel	Arge	larval host	Smith 1989	Arge
Hamamelidaceae	Liquidambar styraciflua	sweetgum	Eriotremex formosanus	larval host	Li and Hulcr 2015	Eriotremex
Hydrophyllaceae	Hydrophyllum occidentale	western waterleaf	Filacus pluricinctus	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Nemophila menziesii	baby blue eyes	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Nemophila menziesii	baby blue eyes	Filacus doanei	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Nemophila sp.	baby blue eyes	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Nemophila sp.	baby blue eyes	Filacus pluricinctus	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Phacelia crenulata	cleftleaf wildheliotrope	Filacus pluricinctus	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Phacelia distans	distant phacelia	Filacus pluricinctus	larval host	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Phacelia hastata	compact phacelia	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Hydrophyllaceae	Phacelia sp.	phacelia	Filacus doanei	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Phacelia sp.	phacelia	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Phacelia sp.	phacelia	Filacus pluricinctus	possible host	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Phacelia tanacetifolia	lacy phacelia	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Hydrophyllaceae	Phacelia tanacetifolia	lacy phacelia	Filacus pluricinctus	collected from	Smith and Gibson 1984	Filacus
Iridaceae	Iris missouriensis	Rocky Mountain iris	Eriocampidea arizonensis	collected from	Smith 1969e	Eriocampidea
Iridaceae	Sisyrinchium sp.	blue-eyed grass	Filacus doanei	collected from	Smith and Gibson 1984	Filacus
Juglandaceae	Carya glabra	pignut hickory	Periclista marginicollis	larval host	Stannard 1949	Periclista
Juglandaceae	Carya illinoinensis	pecan	Eupareophora parca	larval host	Smith 1969d	Eupareophora
Juglandaceae	Carya illinoinensis	pecan	Megaxyela aviingrata	larval host	Smith and Schiff 1998	Megaxyela
Juglandaceae	Carya illinoinensis	pecan	Megaxyela major	larval host	Smith and Schiff 1998	Megaxyela
Juglandaceae	Carya illinoinensis	pecan	Periclista marginicollis	larval host	Stannard 1949	Periclista
Juglandaceae	Carya illinoinensis	pecan	Tremex columba	larval host	Schiff et al. 2012	Tremex
Juglandaceae	Carya ovata	shagbark hickory	Periclista marginicollis	larval host	Stannard 1949	Periclista
Juglandaceae	Carya ovata	shagbark hickory	Xiphydria hicoriae	larval host	Smith 1976c	Xiphydria
Juglandaceae	Carya sp.	hickory	Tremex columba	larval host	Schiff et al. 2012	Tremex
Juglandaceae	Carya sp.	hickory	Xiphydria hicoriae	larval host	Smith 1976c	Xiphydria
Juglandaceae	Carya spp.	hickory	Acordulecera dorsalis	larval host	Smith 2010	Acordulecera
Juglandaceae	Carya spp.	hickory	Eriotremex formosanus	larval host	Li and Hulcr 2015	Eriotremex
Juglandaceae	Carya spp.	hickory	Macrophya cassandra	larval host	Smith and Strazanac 2016	Macrophya
Juglandaceae	Carya spp.	hickory	Macrophya nigristigma	larval host	Smith and Strazanac 2016	Macrophya
Juglandaceae	Carya spp.	hickory	Megaxyela aviingrata	larval host	Smith and Schiff 1998	Megaxyela
Juglandaceae	Carya spp.	hickory	Orussus minutus	collected from	Middlekauff 1983	Orussus
Juglandaceae	Carya spp.	hickory	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Juglandaceae	Carya spp.	hickory	Periclista marginicollis	larval host	Smith and Strazanac 2016	Periclista
Juglandaceae	Juglans cinerea	butternut	Megaxyela aviingrata	possible host	Smith and Schiff 1998	Megaxyela
Juglandaceae	Juglans cinerea	butternut	Tremex columba	larval host	Schiff et al. 2012	Tremex
Juglandaceae	Juglans nigra	black walnut	Eriocampa juglandis	larval host	Smith 1979a	Eriocampa
Juglandaceae	Juglans sp.	walnut	Eriocampa juglandis	larval host	Smith 1979a	Eriocampa
Juglandaceae	Juglans spp.	walnut	Acordulecera dorsalis	larval host	Smith 2010	Acordulecera
Juncaceae	Juncus sp.	rush	Eutomostethus luteiventris	host in native range	Smith 1969d	Eutomostethus
Lamiaceae	Monarda citriodora	lemon beebalm	Neoptilia malvacearum	collected from	Smith 1971c	Neoptilia
Lamiaceae	Stachys sp.	hedgenettle	Pachyprotasis rapae	larval host	Smith 2006e	Pachyprotasis
Liliaceae	Calochortus apiculatus	pointedtip mariposa lily	Tenthredo alienata	collected from	Goulet 1996	Tenthredo
Liliaceae	Calochortus sp.	mariposa lily	Rhadinoceraea nigra	collected from	Smith 1969d	Rhadinoceraea
Liliaceae	Calochortus sp.	mariposa lily	Rhadinoceraea nigra	larval host	Smith and McDearman 1990	Rhadinoceraea
Liliaceae	Camassia spp.	camas	Tenthredo opima	collected from	Goulet 1996	Tenthredo
Liliaceae	Camassia spp.	camas	Zynzus nigropectus	collected from	Smith 1970	Zynzus
Liliaceae	Maianthemum racemosum	feathery false lily of the valley	Phymatocera rusculla	larval host	Smith 1969d	Phymatocera
Liliaceae	Maianthemum racemosum	feathery false lily of the valley	Phymatocera similata	collected from	Smith 1969d	Phymatocera
Liliaceae	Maianthemum sp.	false lily of the valley	Phymatocera fumipennis	collected from	Smith 1969d	Phymatocera
Liliaceae	Maianthemum sp.	false lily of the valley	Phymatocera fumipennis	larval host	Smith and Strazanac 2016	Phymatocera
Liliaceae	Maianthemum sp.	false lily of the valley	Phymatocera smilacinae	collected from	Smith 1969d	Phymatocera
Liliaceae	Polygonatum sp.	Solomon's seal	Phymatocera racemosae	possible host	Smith 1969d	Phymatocera
Liliaceae	Polygonatum sp.	Solomon's seal	Phymatocera smilacinae	collected from	Smith 1969d	Phymatocera
Liliaceae	Veratrum californicum	California false hellbore	Rhadinoceraea aldrichi	larval host	Smith 1969d	Rhadinoceraea
Liliaceae	Veratrum sp.	false hellbore	Onycholyda multisignata	collected from	Middlekauff 1964	Onycholyda
Liliaceae	Veratrum spp.	false hellbore	Rhadinoceraea aldrichi	possible host	Smith 1969d	Rhadinoceraea
Liliaceae	Veratrum spp.	false hellbore	Rhadinoceraea insularis	possible host	Smith 1969d	Rhadinoceraea
Liliaceae	Veratrum viride	green false hellbore	Rhadinoceraea aldrichi	larval host	Smith 1969d	Rhadinoceraea
Liliaceae	Veratrum viride	green false hellbore	Rhadinoceraea insularis	possible host	Smith 1969d	Rhadinoceraea
Liliaceae	Veratrum viride	green false hellbore	Rhadinoceraea nubilipennis	larval host	Smith 1969d	Rhadinoceraea
Liliaceae	Zigadenus densus	Osceola's plume	Rhadinoceraea zigadenusae	larval host	Smith and McDearman 1990	Rhadinoceraea
Liliaceae	Zigadenus leimanthoides	pine barren deathcamas	Rhadinoceraea sodsensis	larval host	Smith and Barrows 1995	Rhadinoceraea
Liliaceae	Zigadenus leimanthoides	pine barren deathcamas	Rhadinoceraea zigadenusae	larval host	Smith and McDearman 1990	Rhadinoceraea
Lythraceae	Lythrum salicaria	purple loosestrife	Ametastegia equiseti	host in native range	Smith 1979a	Ametastegia
Lythraceae	Lythrum salicaria	purple loosestrife	Ametastegia glabrata	collected from	Newcomer 1916	Ametastegia
Malpighiaceae	Heteropterys laurifolia	dragon withe	Sphacophilus edus	larval host	Smith and Janzen 2003	Sphacophilus
Malvaceae	Abutilon fruticosum	Texas Indian mallow	Neoptilia tora	larval host	BugGuide 2019	Neoptilia
Malvaceae	Alcea rosea	hollyhock	Neoptilia malvacearum	larval host	Smith 1971c	Neoptilia
Malvaceae	Allowissadula holosericea	Chisos Mountain false Indianmallow	Neoptilia tora	larval host	Bugh 2015	Neoptilia
Malvaceae	Bastardiopsis densiflora	N/A	Neoptilia biramosa	larval host	Smith 1992	Neoptilia
Malvaceae	Hibiscus laevis	halberdleaf rosemallow	Atomacera decepta	larval host	Smith 1969c	Atomacera
Malvaceae	Hibiscus moscheutos	crimsoneyed rosemallow	Atomacera decepta	larval host	Smith 1969c	Atomacera
Malvaceae	Hibiscus spp.	rosemallow	Atomacera decepta	larval host	Smith 1992	Atomacera
Malvaceae	Malva sp.	mallow	Neoptilia malvacearum	larval host	Smith 1971c	Neoptilia
Malvaceae	Malvastrum sp.	false mallow	Neoptilia malvacearum	larval host	Smith 1971c	Neoptilia
Malvaceae	Malvaviscus sp.	wax mallow	Atomacera raza	larval host	Smith and Janzen 2003	Atomacera
Malvaceae	Sida rhombifolia	Cuban jute	Neoptilia liturata	larval host	Smith 1992	Neoptilia
Malvaceae	Sphaeralcea angustifolia	copper globemallow	Neoptilia malvacearum	collected from	Smith 1971c	Neoptilia
Malvaceae	Sphaeralcea sp.	globemallow	Neoptilia malvacearum	larval host	Smith 1971c	Neoptilia
Myricaceae	Morella cerifera	wax myrtle	Lagium atroviolaceum	collected from	Smith 1986b	Lagium
Oleaceae	Chionanthus sp.	fringetree	Eupareophora parca	possible host	Smith 1969d	Eupareophora
Oleaceae	Fraxinus americana	white ash	Eupareophora parca	larval host	Smith 1969d	Eupareophora
Oleaceae	Fraxinus americana	white ash	Macrophya punctumalbum	larval host	Hoebeke and Johnson 1985	Macrophya
Oleaceae	Fraxinus americana	white ash	Tethida barda	larval host	Smith 1969d	Tethida
Oleaceae	Fraxinus americana	white ash	Tomostethus multicinctus	larval host	Smith 1969d	Tomostethus
Oleaceae	Fraxinus excelsior	European ash	Macrophya punctumalbum	host in native range	Hoebeke and Johnson 1985	Macrophya
Oleaceae	Fraxinus latifolia	Oregon ash	Eupareophora parca	larval host	Smith 1969d	Eupareophora
Oleaceae	Fraxinus latifolia	Oregon ash	Tomostethus multicinctus	larval host	Smith 1969d	Tomostethus
Oleaceae	Fraxinus nigra	black ash	Eupareophora parca	larval host	Smith 1969d	Eupareophora
Oleaceae	Fraxinus pennsylvanica	green ash	Macrophya punctumalbum	larval host	Hoebeke and Johnson 1985	Macrophya
Oleaceae	Fraxinus sp.	ash	Tremex columba	larval host	Schiff et al. 2012	Tremex
Oleaceae	Fraxinus sp.	ash	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Oleaceae	Fraxinus spp.	ash	Eupareophora parca	possible host	Smith 1969d	Eupareophora
Oleaceae	Fraxinus spp.	ash	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Oleaceae	Fraxinus spp.	ash	Pachyprotasis rapae	larval host	Smith 2006e	Pachyprotasis
Oleaceae	Fraxinus spp.	ash	Tethida barda	possible host	Smith 1969d	Tethida
Oleaceae	Fraxinus spp.	ash	Tethida barda	larval host	Smith and Strazanac 2016	Tethida
Oleaceae	Fraxinus spp.	ash	Trichiosoma triangulum	larval host	Smith and Middlekauff 1987	Trichiosoma
Oleaceae	Ligustrum ovalifolium	California privet	Macrophya punctumalbum	larval host	Hoebeke and Johnson 1985	Macrophya
Oleaceae	Ligustrum vulgare	European privet	Macrophya punctumalbum	host in native range	Hoebeke and Johnson 1985	Macrophya
Oleaceae	Syringa chinensis	Chinese lilac	Macrophya punctumalbum	possible host	Hoebeke and Johnson 1985	Macrophya
Oleaceae	Syringa villosa	villous lilac	Macrophya punctumalbum	larval host	Hoebeke and Johnson 1985	Macrophya
Oleaceae	Syringa vulgaris	common lilac	Macrophya punctumalbum	possible host	Hoebeke and Johnson 1985	Macrophya
Onagraceae	Oenothera spp.	evening primrose	Waldheimia carbonaria	larval host	Smith 1969d	Waldheimia
Osmundaceae	Osmunda sp.	fern	Strongylogaster lata	possible host	Smith and Naito 1995	Strongylogaster
Osmundaceae	Osmunda sp.	fern	Thrinax albidopicta	larval host	Smith 1969e	Thrinax
Osmundaceae	Osmunda sp.	fern	Thrinax albidopicta	larval host	Smith 1969e	Thrinax
Papaveraceae	Eschscholzia californica	California poppy	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Pinaceae	Abies alba	silver fir	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies amabilis	Pacific silver fir	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Pinaceae	Abies amabilis	Pacific silver fir	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Abies amabilis	Pacific silver fir	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies balsamea	balsam fir	Acantholyda maculiventris	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Abies balsamea	balsam fir	Cephalcia distincta	larval host	Eidt 1969	Cephalcia
Pinaceae	Abies balsamea	balsam fir	Cephalcia distincta	collected from	Middlekauff 1958	Cephalcia
Pinaceae	Abies balsamea	balsam fir	Pleroneura brunneicornis	larval host	Smith et al. 1977	Pleroneura
Pinaceae	Abies balsamea	balsam fir	Sirex cyaneus	larval host	Schiff et al. 2012	Sirex cyaneus
Pinaceae	Abies balsamea	balsam fir	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Abies balsamea	balsam fir	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Abies balsamea	balsam fir	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies balsamea	balsam fir	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies balsamea	balsam fir	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies balsamea	balsam fir	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies balsamea	balsam fir	Xeris melancholicus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies concolor	white fir	Acantholyda atrata	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Abies concolor	white fir	Acantholyda bucephala	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Abies concolor	white fir	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Abies concolor	white fir	Pleroneura aldrichi	larval host	Smith et al. 1977	Pleroneura
Pinaceae	Abies concolor	white fir	Pleroneura californica	collected from	Smith et al. 1977	Pleroneura
Pinaceae	Abies concolor	white fir	Pleroneura koebelei	larval host	Smith et al. 1977	Pleroneura
Pinaceae	Abies concolor	white fir	Pleroneura lutea	larval host	Smith et al. 1977	Pleroneura
Pinaceae	Abies concolor	white fir	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Pinaceae	Abies concolor	white fir	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Abies concolor	white fir	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Abies concolor	white fir	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies concolor	white fir	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies concolor	white fir	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies concolor	white fir	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies concolor	white fir	Xeris morrisoni	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies concolor	white fir	Xyelecia nearctica	collected from	Smith 1964	Xyelecia
Pinaceae	Abies fraseri	Fraser fir	Sirex cyaneus	larval host	Schiff et al. 2012	Sirex cyaneus
Pinaceae	Abies fraseri	Fraser fir	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies fraseri	Fraser fir	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies grandis	grand fir	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Abies grandis	grand fir	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies grandis	grand fir	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies lasiocarpa	subalpine fir	Pleroneura californica	collected from	Smith et al. 1977	Pleroneura
Pinaceae	Abies lasiocarpa	subalpine fir	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Pinaceae	Abies lasiocarpa	subalpine fir	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Abies lasiocarpa	subalpine fir	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Abies lasiocarpa	subalpine fir	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies lasiocarpa	subalpine fir	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies lasiocarpa	subalpine fir	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies lasiocarpa	subalpine fir	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies lasiocarpa	subalpine fir	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies magnifica	California red fir	Orussus thoracicus	collected from	Middlekauff 1983	Orussus
Pinaceae	Abies magnifica	California red fir	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Abies magnifica	California red fir	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Abies magnifica	California red fir	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies magnifica	California red fir	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies procera	noble fir	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies procera	noble fir	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies sp.	fir	Pleroneura aldrichi	larval host	Smith et al. 1977	Pleroneura
Pinaceae	Abies sp.	fir	Pleroneura californica	larval host	Smith et al. 1977	Pleroneura
Pinaceae	Abies sp.	fir	Sirex cyaneus	larval host	Schiff et al. 2012	Sirex cyaneus
Pinaceae	Abies sp.	fir	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Abies sp.	fir	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies sp.	fir	Urocerus sah	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Abies sp.	fir	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Abies spp.	fir	Diprion pini	host in native range	Smith 1974b	Diprion
Pinaceae	Abies spp.	fir	Neodiprion abietis	larval host	Smith 1974b	Neodiprion
Pinaceae	Abies spp.	fir	Neodiprion deleoni	larval host	Smith 1974b	Neodiprion
Pinaceae	Abies spp.	fir	Neodiprion tsugae	larval host	Smith 1974b	Neodiprion
Pinaceae	Abies spp.	fir	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Pinaceae	Abies spp.	fir	Xyelecia	larval host	Smith and Middlekauff 1987	Xyelecia
Pinaceae	Cedrus sp.	cedar	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Larix laricina	tamarack	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Larix laricina	tamarack	Pristiphora erichsonii	larval host	Smith 1979b	Pristiphora
Pinaceae	Larix laricina	tamarack	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Larix laricina	tamarack	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Larix occidentalis	western larch	Pristiphora erichsonii	larval host	Smith 1979b	Pristiphora
Pinaceae	Larix occidentalis	western larch	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Larix occidentalis	western larch	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Larix occidentalis	western larch	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Larix occidentalis	western larch	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Larix occidentalis	western larch	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Larix occidentalis	western larch	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Larix occidentalis	western larch	Xeris melancholicus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Larix sp.	larch	Sirex cyaneus	larval host	Schiff et al. 2012	Sirex cyaneus
Pinaceae	Larix sp.	larch	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Larix spp.	larch	Anoplonyx	larval host	Benson 1952	Anoplonyx
Pinaceae	Larix spp.	larch	Pristiphora erichsonii	larval host	Smith and Strazanac 2016	Pristiphora
Pinaceae	Pice abies	Norway spruce	Euura alaskensis	larval host	Smith 1979b	Euura
Pinaceae	Picea abies	Norway spruce	Gilpinia hercyniae	larval host	Van Driesche et al. 2013	Gilpinia
Pinaceae	Picea abies	Norway spruce	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Picea abies	Norway spruce	Tremex columba	collected from	Schiff et al. 2012	Tremex
Pinaceae	Picea abies	Norway spruce	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea engelmanni	Engelmann spruce	Cephalcia fascipennis	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea engelmanni	Engelmann spruce	Cephalcia provancheri	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea engelmanni	Engelmann spruce	Euura alaskensis	larval host	Smith 1979b	Euura
Pinaceae	Picea engelmanni	Engelmann spruce	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Pinaceae	Picea engelmanni	Engelmann spruce	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Picea engelmanni	Engelmann spruce	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Picea engelmanni	Engelmann spruce	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea engelmanni	Engelmann spruce	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea engelmanni	Engelmann spruce	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea engelmanni	Engelmann spruce	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Picea engelmanni	Engelmann spruce	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Picea glauca	white spruce	Acantholyda maculiventris	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Picea glauca	white spruce	Cephalcia fascipennis	larval host	Middlekauff 1958	Cephalcia
Pinaceae	Picea glauca	white spruce	Cephalcia nigra	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea glauca	white spruce	Cephalcia nigropectus	larval host	Middlekauff 1958	Cephalcia
Pinaceae	Picea glauca	white spruce	Cephalcia provancheri	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea glauca	white spruce	Cephalcia semidea	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea glauca	white spruce	Euura alaskensis	larval host	Smith 1979b	Euura
Pinaceae	Picea glauca	white spruce	Euura dimmockii	larval host	Smith 1979b	Euura
Pinaceae	Picea glauca	white spruce	Gilpinia hercyniae	larval host	Reeks and Barter 1951	Gilpinia
Pinaceae	Picea glauca	white spruce	Onycholyda multisignata	collected from	Middlekauff 1964	Onycholyda
Pinaceae	Picea glauca	white spruce	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Pinaceae	Picea glauca	white spruce	Sirex cyaneus	larval host	Schiff et al. 2012	Sirex cyaneus
Pinaceae	Picea glauca	white spruce	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Picea glauca	white spruce	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea glauca	white spruce	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea glauca	white spruce	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Picea glauca	white spruce	Xeris melancholicus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Picea mariana	black spruce	Acantholyda chicoutimiensis	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Picea mariana	black spruce	Acantholyda maculiventris	possible host	Middlekauff 1958	Acantholyda
Pinaceae	Picea mariana	black spruce	Cephalcia nigropectus	collected from	Middlekauff 1958	Cephalcia
Pinaceae	Picea mariana	black spruce	Cephalcia provancheri	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea mariana	black spruce	Cephalcia semidea	possible host	Eidt 1969	Cephalcia
Pinaceae	Picea mariana	black spruce	Euura alaskensis	larval host	Smith 1979b	Euura
Pinaceae	Picea mariana	black spruce	Gilpinia hercyniae	larval host	Reeks and Barter 1951	Gilpinia
Pinaceae	Picea mariana	black spruce	Sirex cyaneus	larval host	Schiff et al. 2012	Sirex cyaneus
Pinaceae	Picea mariana	black spruce	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Picea mariana	black spruce	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea pungens	blue spruce	Cephalcia fascipennis	larval host	Middlekauff 1958	Cephalcia
Pinaceae	Picea pungens	blue spruce	Cephalcia nigropectus	collected from	Middlekauff 1958	Cephalcia
Pinaceae	Picea pungens	blue spruce	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Picea pungens	blue spruce	Xeris morrisoni	larval host	Schiff et al. 2012	Xeris
Pinaceae	Picea rubens	red spruce	Cephalcia fascipennis	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea rubens	red spruce	Cephalcia provancheri	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea rubens	red spruce	Euura alaskensis	larval host	Smith 1979b	Euura
Pinaceae	Picea rubens	red spruce	Gilpinia hercyniae	larval host	Reeks and Barter 1951	Gilpinia
Pinaceae	Picea rubens	red spruce	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Picea sitchensis	Sitka spruce	Acantholyda balanata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Picea sitchensis	Sitka spruce	Cephalcia nigropectus	collected from	Middlekauff 1958	Cephalcia
Pinaceae	Picea sitchensis	Sitka spruce	Cephalcia provancheri	larval host	Eidt 1969	Cephalcia
Pinaceae	Picea sitchensis	Sitka spruce	Euura alaskensis	larval host	Smith 1979b	Euura
Pinaceae	Picea sitchensis	Sitka spruce	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Picea sitchensis	Sitka spruce	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Pinaceae	Picea sitchensis	Sitka spruce	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Picea sitchensis	Sitka spruce	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea sitchensis	Sitka spruce	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea sitchensis	Sitka spruce	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea sitchensis	Sitka spruce	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea sitchensis	Sitka spruce	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea sitchensis	Sitka spruce	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Picea sp.	spruce	Acantholyda balanata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Picea sp.	spruce	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Picea sp.	spruce	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Picea sp.	spruce	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea sp.	spruce	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea sp.	spruce	Urocerus sah	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Picea sp.	spruce	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Picea spp.	spruce	Cephalcia marginata	possible host	Middlekauff 1958	Cephalcia
Pinaceae	Picea spp.	spruce	Diprion pini	host in native range	Smith 1974b	Diprion
Pinaceae	Picea spp.	spruce	Gilpinia frutetorum	larval host	Smith 1974b	Gilpinia
Pinaceae	Picea spp.	spruce	Neodiprion abietis	larval host	Smith 1974b	Neodiprion
Pinaceae	Picea spp.	spruce	Neodiprion tsugae	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus albicaulis	whitebark pine	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pinus albicaulis	whitebark pine	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Pinus arizonica	Arizona pine	Zadiprion ojedae	larval host	Smith et al. 2012	Zadiprion
Pinaceae	Pinus banksiana	jack pine	Acantholyda chicoutimiensis	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus banksiana	jack pine	Acantholyda circumcincta	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus banksiana	jack pine	Acantholyda luteomaculata	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus banksiana	jack pine	Acantholyda ruficeps	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus banksiana	jack pine	Acantholyda tesselata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus banksiana	jack pine	Cephalcia fulviceps	larval host	Middlekauff 1958	Cephalcia
Pinaceae	Pinus banksiana	jack pine	Cephalcia marginata	larval host	Eidt 1969	Cephalcia
Pinaceae	Pinus banksiana	jack pine	Diprion similis	larval host	Lyons 2014	Diprion
Pinaceae	Pinus banksiana	jack pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus banksiana	jack pine	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus banksiana	jack pine	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus banksiana	jack pine	Xeris melancholicus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Pinus banksiana	jack pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus banksiana	jack pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus caribaea	Caribbean pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus cembra	Swiss stone pine	Diprion similis	host in native range	Lyons 2014	Diprion
Pinaceae	Pinus cembra	Swiss stone pine	Xyela alpigena	larval host	Smith 1978	Xyela
Pinaceae	Pinus cembra	Swiss stone pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus cembroides	Mexican pinyon	Zadiprion falsus	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus clausa	sand pine	Acantholyda circumcincta	larval host	Greenbaum 1975	Acantholyda
Pinaceae	Pinus clausa	sand pine	Acantholyda floridana	possible secondary host	Greenbaum 1975	Acantholyda
Pinaceae	Pinus clausa	sand pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus contorta	lodgepole pine	Acantholyda brunnicans	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus contorta	lodgepole pine	Acantholyda ruficeps	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus contorta	lodgepole pine	Acantholyda verticalis	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus contorta	lodgepole pine	Cephalcia californica	collected from	Middlekauff 1958	Cephalcia
Pinaceae	Pinus contorta	lodgepole pine	Diprion similis	larval host	Looney et al. 2016	Diprion
Pinaceae	Pinus contorta	lodgepole pine	Neodiprion burkei	larval host	Ciesla and Smith 2011	Neodiprion
Pinaceae	Pinus contorta	lodgepole pine	Neodiprion nanulus	larval host	Ciesla and Smith 2011	Neodiprion
Pinaceae	Pinus contorta	lodgepole pine	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Pinus contorta	lodgepole pine	Orussus thoracicus	collected from	Middlekauff 1983	Orussus
Pinaceae	Pinus contorta	lodgepole pine	Pleroneura lutea	collected from	Smith et al. 1977	Pleroneura
Pinaceae	Pinus contorta	lodgepole pine	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Pinaceae	Pinus contorta	lodgepole pine	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pinus contorta	lodgepole pine	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Pinus contorta	lodgepole pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus contorta	lodgepole pine	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus contorta	lodgepole pine	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus contorta	lodgepole pine	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus contorta	lodgepole pine	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus contorta	lodgepole pine	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Pinus contorta	lodgepole pine	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Pinus contorta	lodgepole pine	Xyela alberta	larval host	Smith 1978	Xyela
Pinaceae	Pinus contorta	lodgepole pine	Xyelecia nearctica	collected from	Smith 1964	Xyelecia
Pinaceae	Pinus coulteri	Coulter pine	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pinus coulteri	Coulter pine	Xyela lunata	larval host	Smith 1978	Xyela
Pinaceae	Pinus coulteri	Coulter pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus coulteri	Coulter pine	Xyela priceae	larval host	Smith 1978	Xyela
Pinaceae	Pinus densiflora	Japanese red pine	Acantholyda erythrocephala	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus densiflora	Japanese red pine	Diprion similis	host in native range	Lyons 2014	Diprion
Pinaceae	Pinus devoniana	Michoacan pine	Zadiprion falsus	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus durangensis	Durango pine	Zadiprion ojedae	larval host	Smith et al. 2012	Zadiprion
Pinaceae	Pinus echinata	shortleaf pine	Neodiprion taedae linearis	larval host	Kraemer et al. 1983	Neodiprion
Pinaceae	Pinus echinata	shortleaf pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus echinata	shortleaf pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus echinata	shortleaf pine	Xyela gallicaulis	larval host	Yates and Smith 2009	Xyela
Pinaceae	Pinus edulis	twoneedle pinyon	Acantholyda thalictra	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus edulis	twoneedle pinyon	Zadiprion rohweri	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus elliottii	slash pine	Eriotremex formosanus	possible host	Li and Hulcr 2015	Eriotremex
Pinaceae	Pinus elliottii	slash pine	Sirex cyaneus	larval host	Schiff et al. 2012	Sirex cyaneus
Pinaceae	Pinus elliottii	slash pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus elliottii	slash pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus elliottii	slash pine	Xyela bakeri	larval host	Smith 1978	Xyela
Pinaceae	Pinus elliottii	slash pine	Xyela gallicaulis	larval host	Yates and Smith 2009	Xyela
Pinaceae	Pinus elliottii	slash pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus elliottii	slash pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus ellottii	slash pine	Acantholyda apicalis	larval host	Greenbaum 1975	Acantholyda
Pinaceae	Pinus ellottii	slash pine	Acantholyda floridana	larval host	Greenbaum 1975	Acantholyda
Pinaceae	Pinus flexilis	limber pine	Diprion similis	larval host	Lyons 2014	Diprion
Pinaceae	Pinus flexilis	limber pine	Xyela brunneiceps	possible host	Blank and Kramp 2017	Xyela
Pinaceae	Pinus flexilis	limber pine	Xyela lata	collected from	Smith 1990	Xyela
Pinaceae	Pinus hartwegii	Hartweg's pine	Zadiprion falsus	larval host	Smith 1988	Zadiprion
Pinaceae	Pinus herrerae	Herrera pine	Zadiprion ojedae	larval host	Smith et al. 2012	Zadiprion
Pinaceae	Pinus jeffreyi	Jeffrey pine	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Pinus jeffreyi	Jeffrey pine	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Pinaceae	Pinus jeffreyi	Jeffrey pine	Sirex behrensii	larval host	Schiff et al. 2012	Sirex behrensii
Pinaceae	Pinus jeffreyi	Jeffrey pine	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pinus jeffreyi	Jeffrey pine	Xyela davidsmithi	larval host	Blank and Kramp 2017	Xyela
Pinaceae	Pinus kesiya	Khasi pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus koraiensis	Chinese pinenut	Diprion similis	host in native range	Lyons 2014	Diprion
Pinaceae	Pinus lambertiana	sugar pine	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Pinaceae	Pinus lambertiana	sugar pine	Sirex behrensii	larval host	Schiff et al. 2012	Sirex behrensii
Pinaceae	Pinus lambertiana	sugar pine	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pinus lambertiana	sugar pine	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus leiophylla	Chihuahuan pine	Zadiprion falsus	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus maximinoi	thinleaf pine	Zadiprion falsus	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus monophylla	singleleaf pinyon	Xyela concava	larval host	Smith 1978	Xyela
Pinaceae	Pinus monophylla	singleleaf pinyon	Xyela deserti	larval host	Smith 1978	Xyela
Pinaceae	Pinus monophylla	singleleaf pinyon	Xyela lata	collected from	Smith 1990	Xyela
Pinaceae	Pinus monophylla	singleleaf pinyon	Zadiprion rohweri	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus montezumae	Montezuma pine	Zadiprion falsus	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus monticola	western white pine	Acantholyda verticalis	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus monticola	western white pine	Diprion similis	larval host	Looney et al. 2016	Diprion
Pinaceae	Pinus monticola	western white pine	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Pinus monticola	western white pine	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pinus monticola	western white pine	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus mugo	mugo pine	Acantholyda erythrocephala	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus mugo	mugo pine	Diprion similis	host in native range	Lyons 2014	Diprion
Pinaceae	Pinus mugo	mugo pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus muricata	Bishop pine	Acantholyda albomarginata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus muricata	Bishop pine	Acantholyda crocina	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus muricata	Bishop pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus muricata	Bishop pine	Xyela serrata	larval host	Smith 1978	Xyela
Pinaceae	Pinus nigra	Austrian pine	Acantholyda erythrocephala	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus nigra	Austrian pine	Acantholyda zappei	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus nigra	Austrian pine	Diprion similis	host in native range	Lyons 2014	Diprion
Pinaceae	Pinus nigra	Austrian pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus nigra	Austrian pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus oocarpa	ocote chino	Zadiprion falsus	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus palustris	longleaf pine	Eriotremex formosanus	possible host	Li and Hulcr 2015	Eriotremex
Pinaceae	Pinus palustris	longleaf pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus palustris	longleaf pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus palustris	longleaf pine	Xyela bakeri	larval host	Smith 1978	Xyela
Pinaceae	Pinus palustris	longleaf pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus palustris	longleaf pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus patula	Mexican weeping pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus pinaster	maritime pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus pinea	Italian stone pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus ponderosa	ponderosa pine	Acantholyda albomarginata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus ponderosa	ponderosa pine	Acantholyda brunnicans	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus ponderosa	ponderosa pine	Acantholyda verticalis	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus ponderosa	ponderosa pine	Cephalcia californica	collected from	Middlekauff 1958	Cephalcia
Pinaceae	Pinus ponderosa	ponderosa pine	Cephalcia hopkinsi	collected from	Middlekauff 1958	Cephalcia
Pinaceae	Pinus ponderosa	ponderosa pine	Diprion similis	larval host	Lyons 2014	Diprion
Pinaceae	Pinus ponderosa	ponderosa pine	Neodiprion autumnalis	larval host	Ciesla and Smith 2011	Neodiprion
Pinaceae	Pinus ponderosa	ponderosa pine	Neodiprion fulviceps	larval host	Ciesla and Smith 2011	Neodiprion
Pinaceae	Pinus ponderosa	ponderosa pine	Neodiprion gillettei	larval host	Ciesla and Smith 2011	Neodiprion
Pinaceae	Pinus ponderosa	ponderosa pine	Neodiprion mundus	larval host	Ciesla and Smith 2011	Neodiprion
Pinaceae	Pinus ponderosa	ponderosa pine	Neodiprion nanulus	larval host	Ciesla and Smith 2011	Neodiprion
Pinaceae	Pinus ponderosa	ponderosa pine	Neodiprion ventralis	larval host	Ciesla and Smith 2011	Neodiprion
Pinaceae	Pinus ponderosa	ponderosa pine	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Pinus ponderosa	ponderosa pine	Sirex behrensii	larval host	Schiff et al. 2012	Sirex behrensii
Pinaceae	Pinus ponderosa	ponderosa pine	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pinus ponderosa	ponderosa pine	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Pinus ponderosa	ponderosa pine	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Pinus ponderosa	ponderosa pine	Sirex obesus	larval host	Schiff et al. 2012	Sirex obesus
Pinaceae	Pinus ponderosa	ponderosa pine	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Pinus ponderosa	ponderosa pine	Sirex xerophilus	larval host	Schiff et al. 2012	Sirex xerophilus
Pinaceae	Pinus ponderosa	ponderosa pine	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus ponderosa	ponderosa pine	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Pinus ponderosa	ponderosa pine	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Pinus ponderosa	ponderosa pine	Xyela bakeri	larval host	Smith 1978	Xyela
Pinaceae	Pinus ponderosa	ponderosa pine	Xyela cheloma	larval host	Smith 1978	Xyela
Pinaceae	Pinus ponderosa	ponderosa pine	Xyela linsleyi	larval host	Smith 1978	Xyela
Pinaceae	Pinus ponderosa	ponderosa pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus ponderosa	ponderosa pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus ponderosa	ponderosa pine	Zadiprion townsendi	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus pringlei	Pringle's pine	Zadiprion falsus	larval host	Smith 1988	Zadiprion
Pinaceae	Pinus pseudostrobus	pseudostrobus pine	Zadiprion falsus	larval host	Smith 1971b	Zadiprion
Pinaceae	Pinus pseudostrobus	pseudostrobus pine	Zadiprion howdeni	larval host	Smith 1988	Zadiprion
Pinaceae	Pinus pungens	Table Mountain pine	Acantholyda erythrocephala	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus radiata	Monterey pine	Acantholyda brunnicans	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus radiata	Monterey pine	Acantholyda burkei	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus radiata	Monterey pine	Acantholyda verticalis	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus radiata	Monterey pine	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Pinaceae	Pinus radiata	Monterey pine	Sirex behrensii	larval host	Schiff et al. 2012	Sirex behrensii
Pinaceae	Pinus radiata	Monterey pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus radiata	Monterey pine	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus radiata	Monterey pine	Xyela radiatae	larval host	Smith 1978	Xyela
Pinaceae	Pinus resinosa	red pine	Acantholyda erythrocephala	larval host	Staples et al. 2009	Acantholyda
Pinaceae	Pinus resinosa	red pine	Acantholyda ruficeps	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus resinosa	red pine	Cephalcia californica	possible host	Eidt 1969	Cephalcia
Pinaceae	Pinus resinosa	red pine	Cephalcia frontalis	larval host	Eidt 1969	Cephalcia
Pinaceae	Pinus resinosa	red pine	Cephalcia fulviceps	larval host	Middlekauff 1958	Cephalcia
Pinaceae	Pinus resinosa	red pine	Cephalcia marginata	larval host	Middlekauff 1958	Cephalcia
Pinaceae	Pinus resinosa	red pine	Diprion similis	larval host	Lyons 2014	Diprion
Pinaceae	Pinus resinosa	red pine	Gilpinia frutetorum	larval host	Bonneau and O'Neil 1970	Gilpinia
Pinaceae	Pinus resinosa	red pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus resinosa	red pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus resinosa	red pine	Tremex columba	collected from	Schiff et al. 2012	Tremex
Pinaceae	Pinus resinosa	red pine	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus resinosa	red pine	Xiphydria canadensis	collected from	Smith 1976c	Xiphydria
Pinaceae	Pinus rigida	pitch pine	Acantholyda angulata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus rigida	pitch pine	Acantholyda zappei	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus rigida	pitch pine	Cephalcia fascipennis	larval host	Middlekauff 1958	Cephalcia
Pinaceae	Pinus rigida	pitch pine	Diprion similis	larval host	Lyons 2014	Diprion
Pinaceae	Pinus rigida	pitch pine	Neodiprion pinusrigida	larval host	Ross 1955	Neodiprion
Pinaceae	Pinus rigida	pitch pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus rigida	pitch pine	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus sabiniana	California foothill pine	Acantholyda brunnicans	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus sabiniana	California foothill pine	Acantholyda crocina	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus sabiniana	California foothill pine	Xyela bakeri	larval host	Smith 1978	Xyela
Pinaceae	Pinus sabiniana	California foothill pine	Xyela lunata	larval host	Smith 1978	Xyela
Pinaceae	Pinus sabiniana	California foothill pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus sibirica	Siberian pine	Diprion similis	host in native range	Lyons 2014	Diprion
Pinaceae	Pinus sp.	pine	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Pinus sp.	pine	Sirex mexicanus	possible host	Schiff et al. 2012	Sirex mexicanus
Pinaceae	Pinus sp.	pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus sp.	pine	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus sp.	pine	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus sp.	pine	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus sp.	pine	Urocerus sah	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus sp.	pine	Xeris chiricahua	possible host	Schiff et al. 2012	Xeris
Pinaceae	Pinus sp.	pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus spp.	pine	Diprion pini	host in native range	Smith 1974b	Diprion
Pinaceae	Pinus spp.	pine	Gilpinia frutetorum	larval host	Smith 1974b	Gilpinia
Pinaceae	Pinus spp.	pine	Neodiprion abbotii	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion burkei	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion compar	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion demoides	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion dubiosus	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion edulicolus	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion excitans	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion fulviceps	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion gillettei	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion hetricki	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion lecontei	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion maurus	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion merkeli	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion mundus	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion nanulus	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion nigroscutum	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion pinetum	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion pratti	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion rugifrons	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion sertifer	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion swainei	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion taedae	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion ventralis	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion virginianus	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Neodiprion warreni	larval host	Smith 1974b	Neodiprion
Pinaceae	Pinus spp.	pine	Orussus sayii	collected from	Middlekauff 1983	Orussus
Pinaceae	Pinus spp.	pine	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Pinus spp.	pine	Sirex hispaniola	possible host	Schiff et al. 2012	Sirex hispaniola
Pinaceae	Pinus spp.	N/A	Xyela pini	larval host	Smith and Strazanac 2016	Xyela
Pinaceae	Pinus strobiformis	southwestern white pinw	Xyela brunneiceps	possible host	Blank and Kramp 2017	Xyela
Pinaceae	Pinus strobiformis	southwestern white pine	Zadiprion falsus	larval host	Smith 1988	Zadiprion
Pinaceae	Pinus strobus	eastern white pine	Acantholyda erythrocephala	larval host	Staples et al. 2009	Acantholyda
Pinaceae	Pinus strobus	eastern white pine	Acantholyda luteomaculata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus strobus	eastern white pine	Acantholyda maculiventris	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus strobus	eastern white pine	Acantholyda zappei	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pinus strobus	eastern white pine	Cephalcia marginata	larval host	Eidt 1969	Cephalcia
Pinaceae	Pinus strobus	eastern white pine	Cephalcia nigropectus	collected from	Middlekauff 1958	Cephalcia
Pinaceae	Pinus strobus	eastern white pine	Diprion similis	larval host	Lyons 2014	Diprion
Pinaceae	Pinus strobus	eastern white pine	Sirex cyaneus	larval host	Schiff et al. 2012	Sirex cyaneus
Pinaceae	Pinus strobus	eastern white pine	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Pinus strobus	eastern white pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus strobus	eastern white pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus strobus	eastern white pine	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus strobus	eastern white pine	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus strobus	eastern white pine	Xyela alpigena	larval host	Smith 1978	Xyela
Pinaceae	Pinus strobus	eastern white pine	Xyela middlekauffi	collected from	Blank and Kramp 2017	Xyela
Pinaceae	Pinus strobus chiapensis	Chiapas pine	Zadiprion falsus	larval host	Smith et al. 2012	Zadiprion
Pinaceae	Pinus sylvestris	Scots pine	Acantholyda erythrocephala	larval host	Staples et al. 2009	Acantholyda
Pinaceae	Pinus sylvestris	Scots pine	Acantholyda luteomaculata	collected from	Middlekauff 1958	Acantholyda
Pinaceae	Pinus sylvestris	Scots pine	Diprion pini	host in native range	Beaudoin et al. 1997	Diprion
Pinaceae	Pinus sylvestris	Scots pine	Diprion similis	host in native range	Lyons 2014	Diprion
Pinaceae	Pinus sylvestris	Scots pine	Neodiprion sertifer	host in native range	Östrand et al. 2001	Neodiprion
Pinaceae	Pinus sylvestris	Scots pine	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pinus sylvestris	Scots pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus sylvestris	Scots pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus sylvestris	Scots pine	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus taeda	loblolly pine	Acantholyda apicalis	larval host	Greenbaum 1975	Acantholyda
Pinaceae	Pinus taeda	loblolly pine	Acantholyda atripes	larval host	Smith 2006b	Acantholyda
Pinaceae	Pinus taeda	loblolly pine	Diprion similis	larval host	Lyons 2014	Diprion
Pinaceae	Pinus taeda	loblolly pine	Neodiprion taedae linearis	larval host	Kraemer et al. 1983	Neodiprion
Pinaceae	Pinus taeda	loblolly pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus taeda	loblolly pine	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pinus taeda	loblolly pine	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus taeda	loblolly pine	Xyela gallicaulis	larval host	Yates and Smith 2009	Xyela
Pinaceae	Pinus taeda	loblolly pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus virginiana	Virginia pine	Diprion similis	larval host	Lyons 2014	Diprion
Pinaceae	Pinus virginiana	Virginia pine	Sirex nigricornis	larval host	Schiff et al. 2012	Sirex nigricornis
Pinaceae	Pinus virginiana	Virginia pine	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pinus virginiana	Virginia pine	Xyela bakeri	larval host	Smith 1978	Xyela
Pinaceae	Pinus virginiana	Virginia pine	Xyela minor	larval host	Smith 1978	Xyela
Pinaceae	Pinus virginiana	Virginia pine	Xyela obscura	larval host	Smith 1978	Xyela
Pinaceae	Pinus virginiana	Virginia pine	Xyela styrax	larval host	Smith 1978	Xyela
Pinaceae	Pinus wallichiana	Bhutan pine	Diprion similis	host in native range	Lyons 2014	Diprion
Pinaceae	Psedotsuga menziesii	Douglas-fir	Acantholyda balanata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Psedotsuga menziesii	Douglas-fir	Acantholyda bucephala	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Neodiprion scutellatus	larval host	Smith 1974b	Neodiprion
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Sirex areolatus	larval host	Schiff et al. 2012	Sirex areolatus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Sirex behrensii	larval host	Schiff et al. 2012	Sirex behrensii
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Sirex californicus	larval host	Schiff et al. 2012	Sirex californicus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Sirex longicauda	larval host	Schiff et al. 2012	Sirex longicauda
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Sirex noctilio	larval host	Schiff et al. 2012	Sirex noctilio
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Urocerus cressoni	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Urocerus flavicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Urocerus gigas	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Xeris caudatus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Pseudotsuga menziesii	Douglas-fir	Xeris morrisoni	larval host	Schiff et al. 2012	Xeris
Pinaceae	Tsuga canadensis	eastern hemlock	Cephalcia distincta	larval host	Eidt 1969	Cephalcia
Pinaceae	Tsuga canadensis	eastern hemlock	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Tsuga heterophylla	western hemlock	Acantholyda atrata	larval host	Middlekauff 1958	Acantholyda
Pinaceae	Tsuga heterophylla	western hemlock	Neodiprion tsugae	larval host	Hard et al. 1976	Neodiprion
Pinaceae	Tsuga heterophylla	western hemlock	Sirex abietinus	larval host	Schiff et al. 2012	Sirex abietinus
Pinaceae	Tsuga heterophylla	western hemlock	Sirex nitidus	larval host	Schiff et al. 2012	Sirex nitidus
Pinaceae	Tsuga heterophylla	western hemlock	Sirex varipes	larval host	Schiff et al. 2012	Sirex varipes
Pinaceae	Tsuga heterophylla	western hemlock	Urocerus albicornis	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Tsuga heterophylla	western hemlock	Urocerus californicus	larval host	Schiff et al. 2012	Urocerus
Pinaceae	Tsuga heterophylla	western hemlock	Xeris indecisus	larval host	Schiff et al. 2012	Xeris
Pinaceae	Tsuga spp.	hemlock	Neodiprion abietis	larval host	Smith 1974b	Neodiprion
Plantaginaceae	Plantago sp.	plantain	Ametastegia equiseti	host in native range	Smith 1979a	Ametastegia
Platanaceae	Platanus racemosa	California sycamore	Bidigitus platani	larval host	Smith 1971a	Bidigitus
Platanaceae	Platanus sp.	sycamore	Tremex columba	larval host	Schiff et al. 2012	Tremex
Platanaceae	Platanus sp.	sycamore	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Poaceae	Agropyron spp.	wheatgrass	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Agropyron spp.	wheatgrass	Cephus pygmeus	larval host	Shanower and Hoelmer 2004	Cephus
Poaceae	Alopecurus pratensis	meadow foxtail	Calameuta	host in native range	Benson 1951	Calameuta
Poaceae	Arrhenatherum elatius	tall oatgrass	Calameuta	host in native range	Benson 1951	Calameuta
Poaceae	Avena spp.	oat	Cephus pygmeus	larval host	Shanower and Hoelmer 2004	Cephus
Poaceae	Beckmannia spp.	sloughgrass	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Bromus laevipes	Chinook brome	Calameuta clavata	possible host	Smith and Schiff 2005	Calameuta
Poaceae	Bromus secalinus	rye brome	Cephus pygmeus	larval host	Middlekauff 1969	Cephus
Poaceae	Bromus spp.	brome	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Bromus spp.	brome	Cephus pygmeus	larval host	Shanower and Hoelmer 2004	Cephus
Poaceae	Calamagrostis epigeios	chee reedgrass	Calameuta	host in native range	Benson 1951	Calameuta
Poaceae	Calamagrostis spp.	reedgrass	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Calamovilfa spp.	sandreed	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Deschampsia danthomioides	annual hairgrass	Calameuta clavata	possible host	Smith and Schiff 2005	Calameuta
Poaceae	Deschampsia spp.	hairgrass	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Elymus repens	quackgrass	Calameuta	host in native range	Benson 1951	Calameuta
Poaceae	Elymus spp.	wildrye	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Elytrigia sp.	N/A	Cephus cinctus	larval host	Shanower and Hoelmer 2004	Cephus
Poaceae	Festuca spp.	fescue	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Hordeum spp.	barley	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Hordeum spp.	barley	Cephus pygmeus	larval host	Shanower and Hoelmer 2004	Cephus
Poaceae	Hordeum vulgare	cultivated barley	Cephus cinctus	larval host	Middlekauff 1969	Cephus
Poaceae	Hordeum vulgare	cultivated barley	Cephus pygmeus	larval host	Middlekauff 1969	Cephus
Poaceae	Hordeum vulgare	cultivated barley	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Poaceae	Hordeum vulgare	cultivated barley	Trachelus tabidus	larval host	Shanower and Hoelmer 2004	Trachelus
Poaceae	Phalaris arundinacea	reed canarygrass	Calameuta	host in native range	Benson 1951	Calameuta
Poaceae	Phleum pratense	cultivated timothy	Cephus cinctus	larval host	Middlekauff 1969	Cephus
Poaceae	Phleum sp.	timothy	Dolerus unicolor	larval host	Smith and Strazanac 2016	Dolerus
Poaceae	Phleum spp.	timothy	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Phleum spp.	timothy	Cephus pygmeus	larval host	Shanower and Hoelmer 2004	Cephus
Poaceae	Phragmites australis	common reed	Ametastegia glabrata	secondary host	Newcomer 1916	Ametastegia
Poaceae	Phragmites australis	common reed	Calameuta	host in native range	Benson 1951	Calameuta
Poaceae	Poa sp.	bluegrass	Eutomostethus ephippium	host in native range	Smith 1969d	Eutomostethus
Poaceae	Secale cereale	cereal rye	Cephus cinctus	larval host	Middlekauff 1969	Cephus
Poaceae	Secale cereale	cereal rye	Cephus pygmeus	larval host	Middlekauff 1969	Cephus
Poaceae	Secale cereale	cereal rye	Trachelus tabidus	larval host	Shanower and Hoelmer 2004	Trachelus
Poaceae	Secale spp.	rye	Cephus pygmeus	larval host	Shanower and Hoelmer 2004	Cephus
Poaceae	Stipa spp.	needlegrass	Cephus cinctus	possible host	Middlekauff 1969	Cephus
Poaceae	Triticum aestivum	common wheat	Dolerus sericeus	larval host	Goulet 1986	Dolerus
Poaceae	Triticum aestivum	common wheat	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Poaceae	Triticum aestivum	common wheat	Trachelus tabidus	larval host	Shanower and Hoelmer 2004	Trachelus
Poaceae	Triticum spp.	wheat	Cephus cinctus	larval host	Middlekauff 1969	Cephus
Poaceae	Triticum spp.	wheat	Cephus pygmeus	larval host	Middlekauff 1969	Cephus
Poaceae	Triticum spp.	wheat	Euura anolita	larval host	Smith 1979b	Euura
Poaceae	Triticum spp.	wheat	Euura extensicornis	larval host	Smith 1979b	Euura
Poaceae	Triticum spp.	wheat	Euura painteri	larval host	Smith 1979b	Euura
Poaceae	Zea mays	corn	Onycholyda multisignata	collected from	Middlekauff 1964	Onycholyda
Polemoniaceae	Gilia achillaefolia	California gilia	Filacus doanei	collected from	Smith and Gibson 1984	Filacus
Polygonaceae	Eriogonum wrightii	bastardsage	Sphacophilus	larval host	Smith and Middlekauff 1987	Sphacophilus
Polygonaceae	Fagopyrum sp.	buckwheat	Ametastegia glabrata	host in native range	Smith 1979a	Ametastegia
Polygonaceae	Polygonella gracilis	tall jointweed	Allantunicus autumnalis	possible host	Smith and Schiefer 1997	Allantunicus
Polygonaceae	Polygonum amphibium var. emersum	water smartweed	Ametastegia glabrata	larval host	Newcomer 1916	Ametastegia
Polygonaceae	Polygonum bistoroides	American bistort	Tenthredo anomocerus	collected from	Goulet 1996	Tenthredo
Polygonaceae	Polygonum bistoroides	American bistort	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Polygonaceae	Polygonum bistorta	meadow bistort	Ametastegia glabrata	host in native range	Newcomer 1916	Ametastegia
Polygonaceae	Polygonum convolvulus	black bindweed	Ametastegia glabrata	larval host	Newcomer 1916	Ametastegia
Polygonaceae	Polygonum erectum	erect knotweed	Ametastegia articulata	larval host	Smith 1979a	Ametastegia
Polygonaceae	Polygonum lapathifolium	curlytop knotweed	Ametastegia glabrata	larval host	Newcomer 1916	Ametastegia
Polygonaceae	Polygonum persicaria	spotted ladysthumb	Ametastegia equiseti	host in native range	Smith 1979a	Ametastegia
Polygonaceae	Polygonum sp.	knotweed	Ametastegia articulata	larval host	Smith 1979a	Ametastegia
Polygonaceae	Polygonum sp.	knotweed	Ametastegia glabrata	host in native range	Newcomer 1916	Ametastegia
Polygonaceae	Polygonum sp.	knotweed	Ametastegia glabrata	larval host	Smith 1979a	Ametastegia
Polygonaceae	Polygonum sp.	knotweed	Ametastegia pulchella	larval host	Smith 1979a	Ametastegia
Polygonaceae	Polygonum spp.	knotweed	Ametastegia recens	larval host	Smith and Strazanac 2016	Ametastegia
Polygonaceae	Polygonum virginianum	jumpseed	Ametastegia	larval host	Eiseman and Smith 2020	Ametastegia
Polygonaceae	Rheum sp.	rhubarb	Ametastegia glabrata	host in native range	Smith 1979a	Ametastegia
Polygonaceae	Rumex acetosella	common sheep sorrel	Ametastegia equiseti	host in native range	Smith 1979a	Ametastegia
Polygonaceae	Rumex acetosella	common sheep sorrel	Ametastegia glabrata	larval host	Newcomer 1916	Ametastegia
Polygonaceae	Rumex crispus	curly dock	Ametastegia glabrata	collected from	Smith 1979a	Ametastegia
Polygonaceae	Rumex obtusifolius	bitter dock	Ametastegia glabrata	larval host	Malipatil et al. 1995	Ametastegia
Polygonaceae	Rumex patientia	patience dock	Ametastegia glabrata	larval host	Newcomer 1916	Ametastegia
Polygonaceae	Rumex salicifolius	willow dock	Ametastegia glabrata	larval host	Newcomer 1916	Ametastegia
Polygonaceae	Rumex sp.	dock	Ametastegia articulata	larval host	Smith 1979a	Ametastegia
Polygonaceae	Rumex sp.	dock	Ametastegia equiseti	larval host	Smith 1979a	Ametastegia
Polygonaceae	Rumex sp.	dock	Ametastegia glabrata	larval host	Smith 1979a	Ametastegia
Polygonaceae	Rumex sp.	dock	Ametastegia tenera	larval host	Smith 1979a	Ametastegia
Polygonaceae	Rumex spp.	dock	Euura annulata	larval host	Smith 1979b	Euura
Polypodiaceae	Polypodium spp.	polypody	Heptamelus ochroleucus	host in native range	Smith 1969e	Heptamelus
Portulacaceae	Claytonia perfoliata	miner's lettuce	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Portulacaceae	Claytonia perfoliata	miner's lettuce	Schizocerella pilicornis	larval host	Smith 1992	Schizocerella
Portulacaceae	Claytonia sp.	springbeauty	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Portulaceae	Portulaca oleracea	little hogweed	Schizocerella pilicornis	larval host	Smith 1992	Schizocerella
Portulaceae	Portulaca sp.	purslane	Schizocerella lineata	larval host	Smith and Strazanac 2016	Schizocerella
Portulaceae	Portulaca sp.	purslane	Schizocerella pilicornis	larval host	Smith 1992	Schizocerella
Primulaceae	Anagallis arvensis	scarlet pimpernel	Monostegia abdominalis	host in native range	Smith 1979a	Monostegia
Primulaceae	Glaux maritima	sea milkwort	Monostegia abdominalis	host in native range	Smith 1979a	Monostegia
Primulaceae	Lysimachia borealis	starflower	Ametastegia aperta	larval host	Eiseman and Smith 2020	Ametastegia
Primulaceae	Lysimachia nummularia	creeping jenny	Monostegia abdominalis	larval host	Smith 1979a	Monostegia
Primulaceae	Lysimachia terrestris	earth loosestrife	Monostegia abdominalis	larval host	Smith 1979a	Monostegia
Primulaceae	Lysimachia vulgaris	garden yellow loosestrife	Monostegia abdominalis	larval host	Smith 1979a	Monostegia
Ranunculaceae	Ranunculus ceanothus	N/A	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Ranunculaceae	Ranunculus nystriculus	N/A	Filacus albipes	possible host	Smith and Gibson 1984	Filacus
Ranunculaceae	Anemone lancifolia	mountain thimbleweed	Pseudodineura parva	larval host	Eiseman and Smith 2020	Pseudodineura
Ranunculaceae	Anemone sp.	anemone	Monophadnus aequalis	larval host	Smith and Strazanac 2016	Monophadnus
Ranunculaceae	Anemone sp.	anemone	Pseudodineura parva	larval host	Smith and Strazanac 2016	Pseudodineura
Ranunculaceae	Anemone virginiana	tall thimbleweed	Pseudodineura parva	possible host	Eiseman and Smith 2020	Pseudodineura
Ranunculaceae	Aquilegia spp.	columbine	Pristiphora rufipes	larval host	Smith and Strazanac 2016	Pristiphora
Ranunculaceae	Hepatica nobilis var. acuta	sharplobe hepatica	Pseudodineura parva	larval host	Eiseman and Smith 2020	Pseudodineura
Ranunculaceae	Hepatica nobilis var. obtusa	roundlobe hepatica	Pseudodineura parva	larval host	Eiseman and Smith 2020	Pseudodineura
Ranunculaceae	Hepatica sp.	hepatica	Pseudodineura parva	larval host	Smith 1976d	Pseudodineura
Ranunculaceae	Ranunculus acris	tall buttercup	Monophadnus pallescens	host in native range	Smith 1969d	Monophadnus
Ranunculaceae	Ranunculus acris	tall buttercup	Tenthredo alienata	collected from	Goulet 1996	Tenthredo
Ranunculaceae	Ranunculus alismifolius var alismellus	plantainleaf buttercup	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Ranunculaceae	Ranunculus californicus	California buttercup	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Ranunculaceae	Ranunculus californicus	California buttercup	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Ranunculaceae	Ranunculus orthorhyncus	straightbeak buttercup	Tenthredo coloradensis	collected from	Goulet 1996	Tenthredo
Ranunculaceae	Ranunculus repens	creeping buttercup	Monophadnus pallescens	host in native range	Smith 1969d	Monophadnus
Ranunculaceae	Ranunculus sp.	buttercup	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Ranunculaceae	Ranunculus sp.	buttercup	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Ranunculaceae	Ranunculus sp.	buttercup	Monophadnus aequalis	possible host	Smith 1969d	Monophadnus
Ranunculaceae	Ranunculus sp.	buttercup	Monophadnus californicus	collected from	Smith 1969d	Monophadnus
Ranunculaceae	Ranunculus sp.	buttercup	Monophadnus pallescens	possible host	Smith 1969d	Monophadnus
Ranunculaceae	Ranunculus sp.	buttercup	Stethomostus fuliginosus	larval host	Smith 1969d	Stethomostus
Ranunculaceae	Ranunculus spp.	buttercup	Pseudodineura fuscula	host in native range	Smith 1976d	Pseudodineura
Ranunculaceae	Ranunculus spp.	buttercup	Tenthredo opima	collected from	Goulet 1996	Tenthredo
Rhamnaceae	Ceanothus sp.	ceanothus	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Rhamnaceae	Ceanothus sp.	ceanothus	Lagium atroviolaceum	collected from	Smith 1986b	Lagium
Rhamnaceae	Ceanothus sp.	ceanothus	Tenthredo nevada	collected from	Goulet 1996	Tenthredo
Rosaceae	Prunus annularis	N/A	Pristiphora auricauda	larval host	Smith 2003b	Pristiphora
Rosaceae	Agrimonia eupatoria	churchsteeples	Fenella nigrita	host in native range	Smith 1971a	Fenella
Rosaceae	Amelanchier canadensis	Canadian serviceberry	Pamphilius semicinctus	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Amelanchier canadensis	Canadian serviceberry	Sterictiphora prunivora	larval host	Smith 1969c	Sterictiphora
Rosaceae	Amelanchier sp.	serviceberry	Arge macleayi	larval host	Smith 1989	Arge
Rosaceae	Amelanchier sp.	serviceberry	Arge tumsua	larval host	Smith 1989	Arge
Rosaceae	Amelanchier sp.	serviceberry	Dimorphopteryx abnormis	larval host	Smith 1979a	Dimorphopteryx
Rosaceae	Amelanchier sp.	serviceberry	Dimorphopteryx pinguis	larval host	Smith 1979a	Dimorphopteryx
Rosaceae	Amelanchier sp.	serviceberry	Pamphilius ocreatus	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Amelanchier sp.	serviceberry	Pamphilius rileyi	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Amelanchier sp.	serviceberry	Pamphilius semicinctus	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Amelanchier sp.	serviceberry	Sterictiphora sericea	larval host	Eiseman and Smith 2020	Sterictiphora
Rosaceae	Amelanchier sp.	serviceberry	Tenthredo originalis	collected from	Goulet 1996	Tenthredo
Rosaceae	Amelanchier spp.	serviceberry	Dineura militaris	larval host	Smith and Strazanac 2016	Dineura
Rosaceae	Amelanchier spp.	serviceberry	Hoplocampa halcyon	larval host	Smith and Strazanac 2016	Hoplocampa
Rosaceae	Amelanchier spp.	serviceberry	Pristiphora insularis	host in European range	Prous et al. 2017	Pristiphora
Rosaceae	Aronia arbutifolia	red chokeberry	Arge	larval host	Smith 1989	Arge
Rosaceae	Aronia sp.	chokeberry	Arge tumsua	larval host	Smith 1989	Arge
Rosaceae	Cornus sp.	dogwood	Pamphilius ochreipes	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Cornus sp.	dogwood	Pamphilius ocreatus	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Cornus sp.	dogwood	Pamphilius phyllisae	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Crataegus brainerdii	Brainerd's hawthorn	Neurotoma crataegi	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Crataegus sp.	hawthorn	Arge	larval host	Smith 1989	Arge
Rosaceae	Crataegus sp.	hawthorn	Arge	larval host	Smith 1989	Arge
Rosaceae	Crataegus sp.	hawthorn	Arge pectoralis	larval host	Smith and Strazanac 2016	Arge
Rosaceae	Crataegus sp.	hawthorn	Arge tumsua	larval host	Smith 1989	Arge
Rosaceae	Crataegus sp.	hawthorn	Cladius compressicornis	larval host	Smith and Strazanac 2016	Cladius
Rosaceae	Crataegus sp.	hawthorn	Dimorphopteryx abnormis	larval host	Smith 1979a	Dimorphopteryx
Rosaceae	Crataegus sp.	hawthorn	Neurotoma willi	possible host	Smith 2006b	Neurotoma
Rosaceae	Crataegus sp.	hawthorn	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Rosaceae	Crataegus spp.	hawthorn	Caliroa cerasi	larval host	Smith 1971a	Caliroa
Rosaceae	Crataegus spp.	hawthorn	Profenusa canadensis	larval host	Smith 1971a	Profenusa
Rosaceae	Crataegus succulenta	fleshy hawthorn	Neurotoma crataegi	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Cydonia oblonga	quince	Caliroa cerasi	host in native range	Smith 1971a	Caliroa
Rosaceae	Dasiphora fruticosa	shrubby cinquefoil	Tenthredo coloradensis	collected from	Goulet 1996	Tenthredo
Rosaceae	Dasiphora fruticosa	shrubby cinquefoil	Tenthredo subnigriceps	collected from	Goulet 1996	Tenthredo
Rosaceae	Filipendula sp.	queen	Ametastegia tenera	recorded from in native range	Smith 1979a	Ametastegia
Rosaceae	Filipendula spp.	queen	Monophadnoides rubi	host in native range	Smith 1969d	Monophadnoides
Rosaceae	Filipendula ulmaria	queen of the meadow	Ametastegia tenera	recorded from in native range	Smith 1979a	Ametastegia
Rosaceae	Fragaria sp.	strawberry	Allantus cinctus	larval host	Smith 1979a	Allantus
Rosaceae	Fragaria sp.	strawberry	Allantus mellipes	larval host	Smith 1979a	Allantus
Rosaceae	Fragaria sp.	strawberry	Arge	larval host	Smith 1989	Arge
Rosaceae	Fragaria sp.	strawberry	Empria maculata	larval host	Smith 1979a	Empria
Rosaceae	Fragaria sp.	strawberry	Empria obscurata	larval host	Smith 1979a	Empria
Rosaceae	Fragaria sp.	strawberry	Taxonus pallicoxus	larval host	Smith 1979a	Taxonus
Rosaceae	Geum spp.	avens	Monophadnoides rubi	host in native range	Smith 1969d	Monophadnoides
Rosaceae	Holodiscus discolor	oceanspray	Caenocephus aldrichi	larval host	Hanson and Miller 1988	Caenocephus
Rosaceae	Horkelia fusca	pinewoods horkelia	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Rosaceae	Malus pumila	paradise apple	Ametastegia glabrata	secondary host	Malipatil et al. 1995	Ametastegia
Rosaceae	Malus pumila	paradise apple	Dimorphopteryx abnormis	larval host	Smith 1979a	Dimorphopteryx
Rosaceae	Malus pumila	paradise apple	Hoplocampa testudinea	larval host	Alford 1984	Hoplocampa
Rosaceae	Malus pumila	paradise apple	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Rosaceae	Malus pumila	paradise apple	Pamphilius semicinctus	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Malus pumila	paradise apple	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Rosaceae	Malus sp.	apple	Tremex columba	larval host	Schiff et al. 2012	Tremex
Rosaceae	Malus spp.	apple	Cimbex americanus	larval host	Stein 1974	Cimbex
Rosaceae	Malus spp.	apple	Hoplocampa testudinea	larval host	Paradis 1980	Hoplocampa
Rosaceae	Malus sylvestris	European crab apple	Xiphydria maculata	collected from	Smith 1976c	Xiphydria
Rosaceae	Mespilus spp.	mespilus	Caliroa cerasi	host in native range	Smith 1971a	Caliroa
Rosaceae	Potentilla glandulosa	sticky cinquefoil	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Rosaceae	Potentilla glandulosa	sticky cinquefoil	Tenthredo subnigriceps	collected from	Goulet 1996	Tenthredo
Rosaceae	Potentilla reptans	creeping cinquefoil	Fenella nigrita	host in native range	Smith 1971a	Fenella
Rosaceae	Potentilla sp.	cinquefoil	Empria maculata	larval host	Smith 1979a	Empria
Rosaceae	Potentilla sp.	cinquefoil	Fenella nigrita	larval host	Smith 1971a	Fenella
Rosaceae	Potentilla spp.	cinquefoil	Tenthredo alienata	collected from	Goulet 1996	Tenthredo
Rosaceae	Potentilla spp.	cinquefoil	Tenthredo cascadensis	collected from	Goulet 1996	Tenthredo
Rosaceae	Potentilla spp.	cinquefoil	Tenthredo cordillera	collected from	Goulet 1996	Tenthredo
Rosaceae	Potentilla spp.	cinquefoil	Tenthredo ungava	collected from	Goulet 1996	Tenthredo
Rosaceae	Prunus americana	American plum	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus cerasus	sour cherry	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus davidiana	Chinese wild peach	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus domestica	European plum	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus nigra	Canadian plum	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus pennsylvanica	pin cherry	Caliroa liturata	larval host	Smith 1971a	Caliroa
Rosaceae	Prunus pennsylvanica	pin cherry	Neurotoma edwardi	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus pennsylvanica	pin cherry	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus pennsylvanica	pin cherry	Sterictiphora cruenta	possible host	Smith 1969c	Sterictiphora
Rosaceae	Prunus pennsylvanica	pin cherry	Sterictiphora prunivora	larval host	Smith 1969c	Sterictiphora
Rosaceae	Prunus persica	peach	Caliroa liturata	larval host	Smith 1971a	Caliroa
Rosaceae	Prunus persica	peach	Onycholyda luteicornis	collected from	Middlekauff 1964	Onycholyda
Rosaceae	Prunus persica	peach	Pamphilius persicum	larval host	Middlekauff 1964	Pamphilius
Rosaceae	Prunus pumila	sandcherry	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus pumila var besseyi	western sandcherry	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus serotina	black cherry	Arge macleayi	larval host	Smith 1989	Arge
Rosaceae	Prunus serotina	black cherry	Arge tumsua	larval host	Smith 1989	Arge
Rosaceae	Prunus serotina	black cherry	Caliroa liturata	larval host	Smith 1971a	Caliroa
Rosaceae	Prunus serotina	wild black cherry	Neurotoma edwardi	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus serotina	wild black cherry	Pamphilius persicum	possible host	Middlekauff 1964	Pamphilius
Rosaceae	Prunus serotina	black cherry	Sterictiphora prunivora	larval host	Smith 1969c	Sterictiphora
Rosaceae	Prunus serotina	black cherry	Sterictiphora serotina	larval host	Smith 1969c	Sterictiphora
Rosaceae	Prunus sp.	cherry/plum	Arge macleayi	larval host	Smith 1989	Arge
Rosaceae	Prunus sp.	cherry/plum	Arge tumsua	larval host	Smith 1989	Arge
Rosaceae	Prunus sp.	cherry/plum	Caliroa cerasi	larval host	Smith 1971a	Caliroa
Rosaceae	Prunus sp.	cherry/plum	Caliroa hyalina	collected from	Smith 1971a	Caliroa
Rosaceae	Prunus sp.	cherry/plum	Caliroa liturata	larval host	Smith 1971a	Caliroa
Rosaceae	Prunus sp.	cherry/plum	Dimorphopteryx abnormis	larval host	Smith 1979a	Dimorphopteryx
Rosaceae	Prunus sp.	cherry/plum	Dolerus unicolor	adult pollen source	Goulet 1986	Dolerus
Rosaceae	Prunus sp.	cherry/plum	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus sp.	cherry/plum	Profenusa canadensis	larval host	Smith 1971a	Profenusa
Rosaceae	Prunus sp.	cherry/plum	Setabara histrionica	collected from	Smith 1971a	Setabara
Rosaceae	Prunus sp.	cherry/plum	Sterictiphora maura	larval host	Smith 1969c	Sterictiphora
Rosaceae	Prunus sp.	cherry/plum	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Rosaceae	Prunus spp.	cherry/plum	Ametastegia glabrata	secondary host	Malipatil et al. 1995	Ametastegia
Rosaceae	Prunus spp.	cherry/plum	Arge cyra	possible host	Smith and Strazanac 2016	Arge
Rosaceae	Prunus spp.	cherry/plum	Caliroa cerasi	host in native range	Smith 1971a	Caliroa
Rosaceae	Prunus spp.	cherry/plum	Cimbex americanus	larval host	Stein 1974	Cimbex
Rosaceae	Prunus spp.	cherry/plum	Cladius compressicornis	larval host	Smith and Strazanac 2016	Cladius
Rosaceae	Prunus spp.	cherry/plum	Dineura militaris	larval host	Smith and Strazanac 2016	Dineura
Rosaceae	Prunus spp.	cherry/plum	Hoplocampa marlatti	larval host	Smith and Strazanac 2016	Hoplocampa
Rosaceae	Prunus spp.	cherry/plum	Macrophya flicta	larval host	Smith and Strazanac 2016	Macrophya
Rosaceae	Prunus spp.	cherry/plum	Trichiosoma triangulum	larval host	Smith and Middlekauff 1987	Trichiosoma
Rosaceae	Prunus tenella	dwarf Russian almond	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus virginiana	chokecherry	Arge	larval host	Smith 1989	Arge
Rosaceae	Prunus virginiana	chokecherry	Arge macleayi	larval host	Smith 1989	Arge
Rosaceae	Prunus virginiana	chokecherry	Neurotoma inconspicua	larval host	Middlekauff 1958	Neurotoma
Rosaceae	Prunus virginiana	chokecherry	Pamphilius semicinctus	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Pyrus sp.	pear	Hoplocampa testudinea	larval host	Smith and Strazanac 2016	Hoplocampa
Rosaceae	Pyrus sp.	pear	Tremex columba	larval host	Schiff et al. 2012	Tremex
Rosaceae	Pyrus sp.	pear	Xiphydria tibialis	larval host	Smith and Strazanac 2016	Xiphydria
Rosaceae	Pyrus spp.	pear	Caliroa cerasi	larval host	Smith 1971a	Caliroa
Rosaceae	Ribes sp.	currant	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Ribes spp.	currant	Euura ribesii	larval host	Smith and Strazanac 2016	Euura
Rosaceae	Ribes spp.	currant	Janus	larval host	Smith 1986a	Janus
Rosaceae	Ribes spp.	currant	Janus integer	larval host	Hanson 1986	Janus
Rosaceae	Ribes spp.	currant	Pristiphora appendiculata	larval host	Smith and Strazanac 2016	Pristiphora
Rosaceae	Ribes uva-crispa	European gooseberry	Ametastegia equiseti	host in native range	Smith 1979a	Ametastegia
Rosaceae	Rosa arkansana	prairie rose	Empria nordica	collected from	Smith 1979a	Empria
Rosaceae	Rosa californica	California wildrose	Pamphilius pacificus	larval host	Middlekauff 1964	Pamphilius
Rosaceae	Rosa canina	dog rose	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa ferruiginea	redleaf rose	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa gallica	French rose	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa nutkana	Nootka rose	Monardis pulla	possible host	Baine and Looney 2019	Monardis
Rosaceae	Rosa pendulina	alpine rose	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa rubiginosa	sweetbriar rose	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa rubiginosa	sweetbriar rose	Aphilodyctium fidum	possible host	Baine and Looney 2019	Aphilodyctium
Rosaceae	Rosa rugosa	rugosa rose	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa sp.	rose	Allantus basalis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa sp.	rose	Allantus cinctus	larval host	Smith 1979a	Allantus
Rosaceae	Rosa sp.	rose	Allantus nigritibialis	collected from	Smith 1979a	Allantus
Rosaceae	Rosa sp.	rose	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa sp.	rose	Aphilodyctium fidum	larval host	Smith 1979a	Aphilodyctium
Rosaceae	Rosa sp.	rose	Empria ignota	collected from	Smith 1979a	Empria
Rosaceae	Rosa sp.	rose	Empria obscurata	larval host	Smith 1979a	Empria
Rosaceae	Rosa sp.	rose	Pamphilius	larval host	Smith and Middlekauff 1987	Pamphilius
Rosaceae	Rosa sp.	rose	Pamphilius pallimacula	collected from	Middlekauff 1964	Pamphilius
Rosaceae	Rosa sp.	rose	Phylloecus cowichanus	larval host	Smith 1986a	Phylloecus
Rosaceae	Rosa spinosissima	Scotch rose	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rosa spp.	rose	Ardis atrata	collected from	Smith 1969d	Ardis
Rosaceae	Rosa spp.	rose	Ardis pallipes	larval host	Smith 1969d	Ardis
Rosaceae	Rosa spp.	rose	Arge ochropus	larval host	Smith 1989	Arge
Rosaceae	Rosa spp.	rose	Arge smithi	larval host	Smith 1989	Arge
Rosaceae	Rosa spp.	rose	Caliroa cerasi	host in native range	Smith 1971a	Caliroa
Rosaceae	Rosa spp.	rose	Cladius pectinicornis	larval host	Smith and Strazanac 2016	Cladius
Rosaceae	Rosa spp.	rose	Endelomyia aethiops	larval host	Smith 1971a	Endelomyia
Rosaceae	Rosa spp.	rose	Phylloecus fasciatus	larval host	Ries 1937	Phylloecus
Rosaceae	Rosa spp.	rose	Phylloecus trimaculatus	larval host	Smith 1986a	Phylloecus
Rosaceae	Rosa spp.	rose	Pristiphora insularis	host in European range	Prous et al. 2017	Pristiphora
Rosaceae	Rubus idaeus	American red raspberry	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rubus idaeus	American red raspberry	Ametastegia glabrata	secondary host	Malipatil et al. 1995	Ametastegia
Rosaceae	Rubus idaeus	American red raspberry	Metallus capitalis	larval host	Smith 1971a	Metallus
Rosaceae	Rubus idaeus	American red raspberry	Onycholyda luteicornis	larval host	Middlekauff 1964	Onycholyda
Rosaceae	Rubus idaeus	American red raspberry	Phylloecus fasciatus	larval host	Ries 1937	Phylloecus
Rosaceae	Rubus loganobaccus	loganberry	Onycholyda sitkensis	larval host	Middlekauff 1964	Onycholyda
Rosaceae	Rubus loganobaccus	loganberry	Phylloecus fasciatus	larval host	Ries 1937	Phylloecus
Rosaceae	Rubus parviflorus	thimbleberry	Onycholyda sitkensis	larval host	Middlekauff 1964	Onycholyda
Rosaceae	Rubus sp.	blackberry	Allantus cinctus	recorded from in native range	Smith 1979a	Allantus
Rosaceae	Rubus sp.	blackberry	Cladius brullei	larval host	Smith and Strazanac 2016	Cladius
Rosaceae	Rubus sp.	blackberry	Empria maculata	larval host	Smith 1979a	Empria
Rosaceae	Rubus sp.	blackberry	Filacus albipes	collected from	Smith and Gibson 1984	Filacus
Rosaceae	Rubus sp.	blackberry	Macrophya goniphora	collected from	Smith 1991	Macrophya
Rosaceae	Rubus sp.	blackberry	Monophadnoides rubi	larval host	Smith 1969d	Monophadnoides
Rosaceae	Rubus sp.	blackberry	Onycholyda amplecta	collected from	Middlekauff 1964	Onycholyda
Rosaceae	Rubus sp.	blackberry	Taxonus pallidicornis	larval host	Smith 1979a	Taxonus
Rosaceae	Rubus sp.	blackberry	Taxonus proximus	possible host	Smith 1979a	Taxonus
Rosaceae	Rubus sp.	blackberry	Taxonus spiculatus	collected from	Smith 1979a	Taxonus
Rosaceae	Rubus sp.	blackberry	Taxonus terminalis	larval host	Smith 1979a	Taxonus
Rosaceae	Rubus spp.	blackberry	Allantus viennensis	larval host	Smith 1979a	Allantus
Rosaceae	Rubus spp.	blackberry	Caliroa cerasi	host in native range	Smith 1971a	Caliroa
Rosaceae	Rubus spp.	blackberry	Metallus ochreus	possible host	Smith 1988	Metallus
Rosaceae	Rubus spp.	blackberry	Metallus rohweri	larval host	Smith 1971a	Metallus
Rosaceae	Rubus spp.	blackberry	Onycholyda luteicornis	larval host	Middlekauff 1964	Onycholyda
Rosaceae	Rubus spp.	blackberry	Onycholyda luteicornis	larval host	Middlekauff 1964	Onycholyda
Rosaceae	Rubus spp.	blackberry	Onycholyda sitkensis	larval host	Middlekauff 1964	Onycholyda
Rosaceae	Rubus spp.	blackberry	Phylloecus fasciatus	larval host	Ries 1937	Phylloecus
Rosaceae	Rubus spp.	blackberry	Phylloecus trimaculatus	larval host	Ries 1937	Phylloecus
Rosaceae	Rubus vitifolius	Pacific dewberry	Onycholyda sitkensis	larval host	Middlekauff 1964	Onycholyda
Rosaceae	Sibbaldiopsis tridentata	shrubby fivefingers	Tenthredo originalis	collected from	Goulet 1996	Tenthredo
Rosaceae	Sorbus americana	American mountain ash	Arge macleayi	larval host	Smith 1989	Arge
Rosaceae	Sorbus americana	American mountain ash	Pristiphora geniculata	larval host	Quednau 1990	Pristiphora
Rosaceae	Sorbus aucuparia	European mountain ash	Pristiphora geniculata	larval host	Quednau 1990	Pristiphora
Rosaceae	Sorbus spp.	mountain ash	Caliroa cerasi	possible host	Smith 1971a	Caliroa
Rosaceae	Spiraea salicifolia	willowleaf meadowsweet	Apareophora dyari	larval host	Smith 1969d	Apareophora
Rosaceae	Spiraea spp.	spirea	Phylloecus riesi	collected from	Smith 1986a	Phylloecus
Rosaceae	Spiraea spp.	spirea	Pristiphora bivittata	larval host	Smith and Strazanac 2016	Pristiphora
Rubiaceae	Cephalanthus occidentalis	common buttonbush	Pseudosiobla cephalanthi	larval host	Smith 1979a	Pseudosiobla
Rubiaceae	Cephalanthus occidentalis	common buttonbush	Pseudosiobla excavata	larval host	Smith 1979a	Pseudosiobla
Rubiaceae	Cephalanthus sp.	buttonbush	Pseudosiobla cephalanthi	larval host	Smith 1979a	Pseudosiobla
Rubiaceae	Cephalanthus sp.	buttonbush	Pseudosiobla excavata	larval host	Smith 1979a	Pseudosiobla
Rubiaceae	Galium aparine	stickywilly	Halidamia affinis	host in native range	Smith 1969d	Halidamia
Rubiaceae	Galium mollugo	false baby's breath	Halidamia affinis	host in native range	Smith 1969d	Halidamia
Rubiaceae	Galium spp.	bedstraw	Aglaostigma	larval host	Goulet 1992	Aglaostigma
Rubiaceae	Posoqueria latifolia	needle flower	Acordulecera	larval host	Smith 2010	Acordulecera
Salicaceae	Populus alba	white poplar	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Salicaceae	Populus balsamifera	balsam poplar	Euura mariana	larval host	Zinovjev and Smith 2000b	Euura
Salicaceae	Populus balsamifera	balsam poplar	Fenusella populifoliella	larval host	Smith 1971a	Fenusella
Salicaceae	Populus deltoides	eastern cottonwood	Fenusa populifoliella	larval host	Eiseman and Smith 2020	Fenusa
Salicaceae	Populus fremonti	Fremont cottonwood	Fenusella populifoliella	larval host	Smith 1971a	Fenusella
Salicaceae	Populus fremontii	Fremont cottonwood	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Salicaceae	Populus fremontii	Fremont cottonwood	Orussus thoracicus	collected from	Middlekauff 1983	Orussus
Salicaceae	Populus grandidentata	bigtooth aspen	Euura populi	larval host	Smith and Fritz 1996	Euura
Salicaceae	Populus grandidentata	bigtooth aspen	Euura populi	larval host	Zinovjev and Smith 2000b	Euura
Salicaceae	Populus nigra	Lombardy poplar	Fenusella hortulana	larval host	Smith 1971a	Fenusella
Salicaceae	Populus nigra	Lombardy poplar	Fenusella populifoliella	larval host	Smith 1971a	Fenusella
Salicaceae	Populus nigra	Lombardy poplar	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Salicaceae	Populus sp.	poplar/cottonwood	Arge	larval host	Smith 1989	Arge
Salicaceae	Populus sp.	poplar/cottonwood	Fallocampus americanus	larval host	Smith 1976a	Fallocampus
Salicaceae	Populus sp.	poplar/cottonwood	Fenusella leucostoma	collected from	Smith 1971a	Fenusella
Salicaceae	Populus sp.	poplar/cottonwood	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Salicaceae	Populus sp.	poplar/cottonwood	Sirex nigricornis	collected from	Schiff et al. 2012	Sirex nigricornis
Salicaceae	Populus sp.	poplar/cottonwood	Tremex columba	larval host	Schiff et al. 2012	Tremex
Salicaceae	Populus sp.	poplar/cottonwood	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Salicaceae	Populus spp.	poplar/cottonwood	Cimbex americanus	larval host	Stein 1974	Cimbex
Salicaceae	Populus spp.	poplar/cottonwood	Euura attus	larval host	Smith 1979b	Euura
Salicaceae	Populus spp.	poplar/cottonwood	Euura currani	larval host	Smith 1979b	Euura
Salicaceae	Populus spp.	poplar/cottonwood	Euura errata	larval host	Smith 1979b	Euura
Salicaceae	Populus spp.	poplar/cottonwood	Euura hudsoniimagnus	larval host	Smith 2006b	Euura
Salicaceae	Populus spp.	poplar/cottonwood	Euura oligospila	larval host	Smith 2003b	Euura
Salicaceae	Populus spp.	poplar/cottonwood	Fenusella populifoliella	larval host	Smith 1971a	Fenusella
Salicaceae	Populus spp.	poplar/cottonwood	Janus	larval host	Smith 1986a	Janus
Salicaceae	Populus spp.	poplar/cottonwood	Janus abbreviatus	larval host	Hanson 1986	Janus
Salicaceae	Populus spp.	poplar/cottonwood	Nematus limbatus	larval host	Smith 1979b	Nematus
Salicaceae	Populus spp.	poplar/cottonwood	Sirex nitidus	collected from	Schiff et al. 2012	Sirex nitidus
Salicaceae	Populus spp.	poplar/cottonwood	Trichiosoma triangulum	larval host	Smith and Middlekauff 1987	Trichiosoma
Salicaceae	Populus tremuloides	quaking aspen	Arge	larval host	Smith 1989	Arge
Salicaceae	Populus tremuloides	quaking aspen	Euura robusta	larval host	Smith and Fritz 1996	Euura
Salicaceae	Populus tremuloides	quaking aspen	Fallocampus americanus	larval host	Smith 1976a	Fallocampus
Salicaceae	Populus tremuloides	quaking aspen	Fenusella populifoliella	larval host	Smith 1971a	Fenusella
Salicaceae	Populus tremuloides	quaking aspen	Orussus occidentalis	collected from	Middlekauff 1983	Orussus
Salicaceae	Populus tremuloides	quaking aspen	Pamphilius infuscatus	larval host	Middlekauff 1964	Pamphilius
Salicaceae	Populus tremuloides	quaking aspen	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Salicaceae	Populus X canadensis	Carolina poplar?	Fenusella populifoliella	larval host	Smith 1971a	Fenusella
Salicaceae	Salix alba	white willow	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Salicaceae	Salix caprea	goat willow	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Salicaceae	Salix discolor	pussy willow	Euura eleanorae	larval host	Smith and Fritz 1996	Euura
Salicaceae	Salix discolor	pussy willow	Euura nigrita	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix eriocephala	Missouri River willow	Euura eleanorae	larval host	Smith and Fritz 1996	Euura
Salicaceae	Salix eriocephala	Missouri River willow	Euura nigrita	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix humilis	prairie willow	Arge ochropus	larval host	Smith 1989	Arge
Salicaceae	Salix humilis	prairie willow	Euura consors	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix humilis	prairie willow	Euura crassicornis	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix humilis	prairie willow	Euura salicisdesmodioides	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix lucida	shining willow	Euura lucidae	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix nigra	black willow	Arge salicis	larval host	Smith 1989	Arge
Salicaceae	Salix petiolaris	meadow willow	Euura petiolaridis	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix sericea	silky willow	Euura eleanorae	larval host	Smith and Fritz 1996	Euura
Salicaceae	Salix sericea	silky willow	Euura gracilis	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix sericea	silky willow	Euura gracilis	larval host	Zinovjev and Smith 2000b	Euura
Salicaceae	Salix sericea	silky willow	Euura leavitti	larval host	Smith and Fritz 1996	Euura
Salicaceae	Salix sericea	silky willow	Euura nigrita	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix sericea	silky willow	Euura terminalis	larval host	Smith and Fritz 1996	Euura
Salicaceae	Salix sp.	willow	Ametastegia rocia	larval host	Smith 1979a	Ametastegia
Salicaceae	Salix sp.	willow	Ametastegia xenia	larval host	Smith 1979a	Ametastegia
Salicaceae	Salix sp.	willow	Arge cyra	larval host	Smith 1989	Arge
Salicaceae	Salix sp.	willow	Arge ochropus	larval host	Smith 1989	Arge
Salicaceae	Salix sp.	willow	Arge salicis	larval host	Smith 1989	Arge
Salicaceae	Salix sp.	willow	Empria alpina	collected from	Smith 1979a	Empria
Salicaceae	Salix sp.	willow	Empria ignota	collected from	Smith 1979a	Empria
Salicaceae	Salix sp.	willow	Empria improba	collected from	Smith 1979a	Empria
Salicaceae	Salix sp.	willow	Euura amentorum	larval host	Zinovjev and Smith 1999	Euura
Salicaceae	Salix sp.	willow	Euura magus	larval host	Smith 2003b	Euura
Salicaceae	Salix sp.	willow	Monsoma inferentium	collected from	Smith 1979a	Monsoma
Salicaceae	Salix sp.	willow	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Salicaceae	Salix sp.	willow	Tremex columba	larval host	Schiff et al. 2012	Tremex
Salicaceae	Salix sp.	willow	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Salicaceae	Salix sp.	willow	Xyela davidsmithi	collected from	Blank and Kramp 2017	Xyela
Salicaceae	Salix spp.	willow	Arge pectoralis	larval host	Smith and Strazanac 2016	Arge
Salicaceae	Salix spp.	willow	Caliroa cerasi	host in native range	Smith 1971a	Caliroa
Salicaceae	Salix spp.	willow	Caliroa labrata	larval host	Smith 1971a	Caliroa
Salicaceae	Salix spp.	willow	Cimbex americanus	larval host	Stein 1974	Cimbex
Salicaceae	Salix spp.	willow	Euura fulvicra	larval host	Smith 1979b	Euura
Salicaceae	Salix spp.	willow	Euura oligospila	larval host	Smith 2003b	Euura
Salicaceae	Salix spp.	willow	Euura salicisodoratus	larval host	Smith and Strazanac 2016	Euura
Salicaceae	Salix spp.	willow	Fenusella wuestneii	larval host	Smith 1971a	Fenusella
Salicaceae	Salix spp.	willow	Janus	larval host	Smith 1986a	Janus
Salicaceae	Salix spp.	willow	Janus abbreviatus	larval host	Hanson 1986	Janus
Salicaceae	Salix spp.	willow	Nematus	larval host	Smith 1979b	Nematus
Salicaceae	Salix spp.	willow	Nematus iridescens	larval host	Smith 1979b	Nematus
Salicaceae	Salix spp.	willow	Pristiphora cincta	larval host	Smith and Strazanac 2016	Pristiphora
Salicaceae	Salix spp.	willow	Pristiphora coactula	larval host	Smith 1979b	Pristiphora
Salicaceae	Salix spp.	willow	Pristiphora micronematica	larval host	Smith 1979b	Pristiphora
Salicaceae	Salix spp.	willow	Pristiphora reuteri	larval host	Smith 1979b	Pristiphora
Salicaceae	Salix spp.	willow	Pristiphora sermola	larval host	Smith 1979b	Pristiphora
Salicaceae	Salix spp.	willow	Pristiphora sycophanta	larval host	Smith and Strazanac 2016	Pristiphora
Salicaceae	Salix spp.	willow	Trichiosoma triangulum	larval host	Smith and Middlekauff 1987	Trichiosoma
Scrophulariaceae	Antirrhinum spp.	snapdragon	Pachyprotasis rapae	larval host	Smith 2006e	Pachyprotasis
Scrophulariaceae	Castilleja sp.	Indian paintbrush	Rhogogaster lateraria	possible host	Baine and Looney 2019	Rhogogaster
Scrophulariaceae	Chelone glabra	white turtlehead	Macrophya nigra	possible host	Smith and Strazanac 2016	Macrophya
Scrophulariaceae	Chelone glabra	white turtlehead	Tenthredo grandis	larval host	Smith and Strazanac 2016	Tenthredo
Scrophulariaceae	Mimulus lewisii	purple monkeyflower	Tenthredo subnigriceps	collected from	Goulet 1996	Tenthredo
Scrophulariaceae	Mimulus sp.	monkeyflower	Filacus pluricinctellus	collected from	Smith and Gibson 1984	Filacus
Scrophulariaceae	Pedicularis groenlandica	elephanthead lousewort	Tenthredo sierra	collected from	Goulet 1996	Tenthredo
Tiliaceae	Tilia americana	American basswood	Arge	larval host	Smith 1989	Arge
Tiliaceae	Tilia americana	American basswood	Cimbex americanus	larval host	Stein 1974	Cimbex
Tiliaceae	Tilia americana	American basswood	Monophadnus pallescens	collected from	Smith 1969d	Monophadnus
Tiliaceae	Tilia americana	American basswood	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Tiliaceae	Tilia americana	American basswood	Xiphydria abdominalis	larval host	Smith 1976c	Xiphydria
Tiliaceae	Tilia americana	American basswood	Xiphydria maculata	collected from	Smith 1976c	Xiphydria
Tiliaceae	Tilia americana	American basswood	Xiphydria tibialis	possible host	Smith 1976c	Xiphydria
Tiliaceae	Tilia spp.	basswood	Cimbex americanus	larval host	Stein 1974	Cimbex
Ulmaceae	Celtis laevigata	sugarberry	Tremex columba	larval host	Schiff et al. 2012	Tremex
Ulmaceae	Celtis occidentalis	common hackberry	Tremex columba	larval host	Schiff et al. 2012	Tremex
Ulmaceae	Celtis sp.	hackberry	Tremex columba	larval host	Schiff et al. 2012	Tremex
Ulmaceae	Ulmus americana	American elm	Arge scapularis	larval host	Smith 1989	Arge
Ulmaceae	Ulmus americana	American elm	Macroxyela ferruginea	larval host	Smith and Schiff 1998	Macroxyela
Ulmaceae	Ulmus americanus	American elm	Fenusa ulmi	possible host	Smith 1971a	Fenusa
Ulmaceae	Ulmus americanus	American elm	Orussus terminalis	collected from	Middlekauff 1983	Orussus
Ulmaceae	Ulmus americanus	American elm	Tremex columba	larval host	Schiff et al. 2012	Tremex
Ulmaceae	Ulmus americanus	American elm	Xiphydria tibialis	larval host	Smith 1976c	Xiphydria
Ulmaceae	Ulmus glabra	Wych elm	Fenusa ulmi	possible host	Smith 1971a	Fenusa
Ulmaceae	Ulmus glabra	Wych elm	Tremex columba	larval host	Schiff et al. 2012	Tremex
Ulmaceae	Ulmus procera	English elm	Fenusa ulmi	possible host	Smith 1971a	Fenusa
Ulmaceae	Ulmus procera	English elm	Macroxyela ferruginea	collected from	Smith and Schiff 1998	Macroxyela
Ulmaceae	Ulmus procera	English elm	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Ulmaceae	Ulmus rubra	slippery elm	Macroxyela ferruginea	collected from	Smith and Schiff 1998	Macroxyela
Ulmaceae	Ulmus sp.	elm	Arge scapularis	larval host	Smith 1989	Arge
Ulmaceae	Ulmus sp.	elm	Eriocampa ovata	recorded from in native range	Smith 1979a	Eriocampa
Ulmaceae	Ulmus sp.	elm	Macroxyela ferruginea	larval host	Smith and Schiff 1998	Macroxyela
Ulmaceae	Ulmus sp.	elm	Tremex columba	larval host	Schiff et al. 2012	Tremex
Ulmaceae	Ulmus sp.	elm	Xiphydria hicoriae	larval host	Smith 1976c	Xiphydria
Ulmaceae	Ulmus sp.	elm	Xiphydria prolongata	larval host	Smith 1978	Xiphydria
Ulmaceae	Ulmus spp.	elm	Cimbex americanus	larval host	Stein 1974	Cimbex
Ulmaceae	Ulmus spp.	elm	Fenusa ulmi	larval host	Smith 1971a	Fenusa
Ulmaceae	Ulmus spp.	elm	Orussus minutus	collected from	Middlekauff 1983	Orussus
Ulmaceae	Ulmus spp.	elm	Trichiosoma triangulum	larval host	Smith and Middlekauff 1987	Trichiosoma
Valerianaceae	Valeriana occidentalis	western valerian	Tenthredo coloradensis	collected from	Goulet 1996	Tenthredo
Violaceae	Viola sororia	common blue violet	Nefusa ambigua	larval host	Smith 1971a	Nefusa
Violaceae	Viola sp.	violet	Ametastegia pallipes	larval host	Smith 1979a	Ametastegia
Violaceae	Viola sp.	violet	Nefusa ambigua	larval host	Smith 1967c	Nefusa
Violaceae	Viola sp.	violet	Nefusa ambigua	larval host	Smith 1971a	Nefusa
Violaceae	Viola tricolor	johnny jumpup	Ametastegia glabrata	collected from	Newcomer 1916	Ametastegia
Vitaceae	Cissus trifoliata	sorrelvine	Ceratulus spectabilis	larval host	Smith 1969d	Ceratulus
Vitaceae	Vitis spp.	grape	Waldheimia vitis	larval host	Smith 1969d	Waldheimia
Zygophyllaceae	Larrea tridentata	creosote bush	Zynzus crassulus	collected from	Smith 1992	Zynzus
N/A	Scrophularia spp.	N/A	Pachyprotasis rapae	larval host	Smith 2006e	Pachyprotasis
PLANT FAMILY	PLANT SPECIES	PLANT COMMON NAME	ASSOCIATED SAWFLIES	ASSOCIATION	REFERENCE	LINK