Xyleborinus echinopterus Smith, Beaver & Cognato 2020 (in Smith et al. 2020b): 342.
3.0 mm long (n = 1); 2.73 times as long as wide. This species is distinguished by the posterior margin of elytra broadly rounded; declivital face with interstriae 1 and 2 unarmed by tubercles; elytral declivital face weakly sulcate; large body size; lateral declivital margins elevated, bearing 2−4 pairs of small, narrow, sharply pointed spines of equal size (often asymmetric) on basal 2/3 of declivity; sulcate area of declivity smooth, shining; and stout body.
Xyleborinus artestriatus, X. ephialtodes, X. octiesdentatus, X. schaufussi, X. speciosus, and X. spinipennis
China (Hong Kong)
unknown (Smith et al. 2020b)
specimens not available for sequencing