Arixyleborus nudulus Smith, Rabaglia & Cognato, 2018 (in Smith et al. 2018a): 841.
1.5−1.8 mm long (mean = 1.56 mm; n = 5); 2.5−3.0 times as long as wide. This species is distinguished by the protibia posterior face inflated and granulate; antennal club broader than tall; pronotum lateral margin oblique; pronotum anterior margin without serrations; posterolateral carina acute, denticulate; strial furrows and interstrial ridges anteriorly extending no further than midpoint of disc; and interstriae sparsely setose with minute bristles, almost appearing glabrous.
unknown (Smith et al. 2020b)
Sequences available for CAD.