Euwallacea praevius
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Euwallacea praevius lateral; S.M. Smith |
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Euwallacea praevius dorsal; S.M. Smith |
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Euwallacea praevius declivity; S.M. Smith |
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Euwallacea praevius frontal; S.M. Smith |
Taxonomic history
Xyleborus praevius Blandford, 1894b: 110.
Euwallacea praevius (Blandford): Park et al. 2020: 217.
Diagnosis
3.2–3.5 mm long (mean = 3.38 mm; n = 4); 2.72–2.98 times as long as wide. This species is distinguished by its moderate size and elongate form; posterolateralposterolateral:
relating to end of the side part/portion
margin of declivitydeclivity:
downward slope of either the pronotum or elytra
costate and unarmed, pronotumpronotum:
the dorsal surface of the thorax
appearing subquadratesubquadrate:
almost quadrate, with oblique corners
when viewed dorsally (type 3); and protibiaeprotibia:
tibia of the first pair of legs
outer margin distinctly triangular bearing with six large acute denticles; strial punctures much larger on the declivitydeclivity:
downward slope of either the pronotum or elytra
than on the discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra); declivitydeclivity:
downward slope of either the pronotum or elytra
broadly rounded; declivitydeclivity:
downward slope of either the pronotum or elytra
strongly shiningshining:
appearing glossy or bright in luster; referring to a surface that is polished and reflects light well
; declivitaldeclivital:
pertaining to the elytral declivity
interstriae distinctly denticulatedenticulate:
covered in denticles
.
May be confused with
Euwallacea alastos, E. andamanensis, Xyleborus aquilus
Distribution
Japan, South Korea
Host plants
recorded from Daphniphyllum macropodum (Daphniphyllaceae), Morus (Moraceae), Prunus (Rosaceae) and Acer (Sapindaceae)
