Xyleborinus tritus Smith, Beaver & Cognato 2020 (in Smith et al. 2020b): 360.
2.2−2.5 mm long (mean = 2.33 mm; n = 4); 3.0−3.14 times as long as wide. This species is distinguished by the declivital face with interstriae 2 unarmed by tubercles, granules present on apical 1/3 of disc; odd numbered declivital interstriae strongly convex, bases of denticles tumescent; and striae 1 nearly convergent with striae 2 on declivital face, interstriae 2 not apparent.
Xyleborinus exiguus, X. huifenyinae, and X. perpusillus
unknown (Smith et al. 2020b)
specimens not available for sequencing