Anisandrus lineatus
|
Anisandrus lineatus lateral; R.K. Osborn |
|
Anisandrus lineatus dorsal; R.K. Osborn |
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Anisandrus lineatus declivity; R.K. Osborn |
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Anisandrus lineatus frontal; R.K. Osborn |
Taxonomic history
Xyleborus lineatus Eggers, 1930: 177.
Cyclorhipidion lineatum (Eggers): Maiti and Saha, 2004: 114.
Anisandrus lineatus (Eggers): Beaver and Liu, 2018: 538.
Synonyms
Xyleborus melancranis Beeson, 1930: 179. Saha and Maiti, 1996: 822.
Diagnosis
2.6−3.3 mm long (mean = 2.96 mm; n = 5); 2.2−2.6 times as long as wide. This species can be distinguished by the mesonotal mycangial tuftmycangial tuft:
tuft of setae that denotes the mycangia exterior opening
the length of the scutellumscutellum:
a shield-like sclerotized plate located at the midpoint of the elytral base
; elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
convexconvex:
appearing rounded
; declivitydeclivity:
downward slope of either the pronotum or elytra
gradual and convexconvex:
appearing rounded, with rounded posterolateralposterolateral:
relating to end of the side part/portion
margins; pronotumpronotum:
the dorsal surface of the thorax
conical frontally when viewed dorsally (type 0); pronotumpronotum:
the dorsal surface of the thorax
armed by four coarse serrationsserration:
row of asperities; a saw-like structure 
on anterioranterior:
the front or forward; opposite of posterior
margin (median pair larger than laterallateral:
pertaining to the side
pair); elytraelytron:
the two sclerotized forewings of beetles that protect and cover the flight wings
smooth, strongly shiningshining:
appearing glossy or bright in luster; referring to a surface that is polished and reflects light well
; and declivitaldeclivital:
pertaining to the elytral declivity
striae deeply impressedimpressed:
a depression in a surface
.
May be confused with
Distribution
China (Sichuan, Yunnan), India (Uttarakhand, West Bengal), Nepal, Vietnam
Host plants
recorded from Machilus (Lauraceae), Symplocos (Symplocaceae) (Beeson 1930Beeson 1930:
Beeson CFC. 1930. The biology of the genus Xyleborus , with more new species. Indian Forest Records 14: 209-272.), and Alnus (Betulaceae) (Smith et al. 2020bSmith et al. 2020b:
Smith SM, Beaver RA, and Cognato AI. 2020b. A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China. ZooKeys 983: 1-442. https://doi.org/10.3897/zookeys.983.52630)
DNA data
Sequences available for COI and CAD.
COI: OP617777
CAD: OP607206
