Xyleborus trepanicauda Eggers, 1923: 170.
Pseudowebbia trepanicauda (Eggers): Browne, 1961a: 308.
2.2−3.1 mm long (mean = 2.51 mm; n = 6); 2.4−3.1 times as long as wide. This species is distinguished by the lack of a scutellum; 1−3 moderately sized denticles on declivital interstriae 2; and pronotum anterior margin basic, short, rounded and parallel-sided when viewed dorsally (type 2, Hulcr et al. 2007).
Arixyleborus, truncate Cyclorhipidion species, Truncaudum, Webbia
‘Borneo’, Brunei, Indonesia (Sumatra), East Malaysia, Thailand, Vietnam
recorded only from Vatica (Dipterocarpaceae) (Browne 1961a)
The number of tubercles on the elytral declivity can be very variable.
specimens not available for sequencing