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 pronotum appearing basic (type 2) when viewed dorsally, anterior margin serrate; elytral declivital surface smooth, strongly shining; large size; declivital interstriae very finely setose, setae semi-erect; declivital face convex towards suture; interstriae 1 inflated from apex to near midpoint of declivity; striae 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 2010).

DNA data

specimens not available for sequencing