Amasa concitata

Taxonomic history

Xyleborus concitatus Schedl, 1969a: 214.

Amasa concitatus [sic] (Schedl): Wood and Bright, 1992: 682.

Diagnosis

4.3‒4.5 mm long (n = 2); 2.32‒2.50 times as long as wide. This species can be distinguished by the pronotumpronotum:
the dorsal surface of the thorax
appearing basic (type 2) when viewed dorsally, anterioranterior:
the front or forward; opposite of posterior
margin serrate; elytralelytral:
pertaining to the elytra
declivitaldeclivital:
pertaining to the elytral declivity
surface smooth, strongly shiningshining:
appearing glossy or bright in luster; referring to a surface that is polished and reflects light well
; large size; declivitaldeclivital:
pertaining to the elytral declivity
interstriae very finely setose, setaeseta:
small hair-like or scale-like structure
semi-erect; declivitaldeclivital:
pertaining to the elytral declivity
face convexconvex:
appearing rounded
towards suture; interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
1 inflatedinflated:
blown up; distended
from apexapex:
point or edge furthest from the body; opposite of base
to near midpoint of declivitydeclivity:
downward slope of either the pronotum or elytra
; striaestria:
punctures in rows, which may or may not be impressed to make grooves
1−3 approximately equidistant.

May be confused with

Amasa gibbosa, A. lini, A. tropidacron, and A. youlii

Distribution

China (Jiangxi), Taiwan

Host plants

Recorded only from ‘Formosan hardwood’ and ‘angiosperm wood’ (Beaver and Liu 2010Beaver and Liu 2010:
Beaver RA, Liu L-Y. 2010. An annotated synopsis of Taiwanese bark and ambrosia beetles, with new synonymy, new combinations and new records (Coleoptera: Curculionidae: Scolytinae). Zootaxa 2602: 1-47. https://doi.org/10.11646/zootaxa.2602.1.1).

DNA data

specimens not available for sequencing