Xyleborinus jianghuasuni Smith, Beaver & Cognato 2020 (in Smith et al. 2020b): 348.
1.8 mm long (n = 3); 3.0 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 feebly sulcate; small body size; lateral declivital margins weakly elevated, bearing 3 pairs of sharply pointed denticles, denticles subequal; denticles along interstriae 5 subequal to those on interstriae 3; sulcate area impunctate, surface strongly shagreened, dull; and elongate body form.
Xyleborinus cuneatus, X. disgregus, and X. sculptilis
known from Quercus (Fagaceae) (Smith et al. 2020b)
Sequences available for COI and CAD.