Xyleborinus disgregus Smith, Beaver & Cognato 2020 (in Smith et al. 2020b): 340.
1.8−2.0 mm long (mean = 1.87 mm; n = 3); 3.0−3.33 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 increasing in size from base to apex; denticles along interstriae 5 distinctly smaller than those on interstriae 3; sulcate area impunctate, surface strongly shagreened, dull; and elongate body form.
Xyleborinus cuneatus, X. jianghuasuni, and X. sculptilis
India (Arunachal Pradesh), Vietnam
unknown (Smith et al. 2020b)
Sequences available for COI and CAD.