Amasa tropidacron Smith, Beaver & Cognato 2020 (in Smith et al. 2020b): 44.
2.5−2.8 mm long (mean = 2.65 mm; n = 2); 2.5−2.54 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; small size; declivital face flattened; and interstriae 1 carinate from apex to near midpoint of declivity; striae 1−3 approximately equidistant.
Amasa concitata, A. gibbosa, A. lini, and A. youlii
unknown (Smith et al. 2020b)
specimens not available for sequencing