Xyleborinus ephialtodes Smith, Beaver & Cognato 2020 (in Smith et al. 2020b): 344.
2.6 mm long (n = 1); 2.6 times as long as wide. This species is distinguished by the posterior margin of elytra broadly rounded; declivital face with interstriae 1 and 2 granulate, unarmed by tubercles; elytral declivital face weakly sulcate; large body size; lateral declivital margins elevated, bearing 5 pairs of moderate, narrow, sharply pointed spines of equal size; sulcate area of declivity shagreened, dull; and stout body.
Xyleborinus artestriatus, X. echinopterus, X. octiesdentatus, X. schaufussi, X. speciosus, and X. spinipennis
known from Schima (Theaceae) (Smith et al. 2020b)
specimens not available for sequencing