Amasa gibbosa Smith, Beaver & Cognato 2020 (in Smith et al. 2020b): 38.
3.5−3.6 mm long (mean = 3.53 mm; n = 3); 2.33−2.41 times as long as wide. This species is distinguished by the pronotum appearing basic (type 2) when viewed dorsally, anterior margin serrate; elytral declivital surface glabrous, smooth, strongly shining; moderate size; declivital face convex, interstriae 1 and 2 moderately inflated from apex to near midpoint of declivity; and striae 1−3 approximately equidistant.
Amasa concitata, A. lini, A. tropidacron, and A. youlii
unknown (Smith et al. 2020b)
Sequences available for COI and CAD.