Arixyleborus nudulus Smith, Rabaglia & Cognato, 2018 Fig. 27E, F, K

Arixyleborus nudulus Smith, Rabaglia & Cognato, 2018 (in Smith et al. 2018c): 841.

Type material.

Holotype (NMNH), paratypes (MSUC, 3; NMNH, 1).

Diagnosis.

1.5-1.8 mm long (mean = 1.56 mm; n = 5); 2.5-3.0 × as long as wide. This species is distinguished by the protibiae posterior faces inflated, granulate; antennal club wider than long; 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.

Similar species.

Arixyleborus mediosectus .

Distribution.

Vietnam.

Host plants.

Unknown.