Taxonomic history

Xyleborus pseudopilifer Schedl, 1936a: 11.

Fortiborus pseudopilifer (Schedl): Smith et al., 2018a: 841.

Diagnosis

6.6 mm long, (n = 1); 2.64 times as long as wide. This species can be distinguished by the large size; unique declivital sculpturing marked by a distinct boundary between disc and declivity; all interstriae bearing a series of 1–3 moderate to large tubercles at declivital summit and all interstriae bearing 3–8 irregularly spaced small to moderately sized tubercles; declivital punctures strongly confused; and discal interstriae impunctate.

May be confused with

Euwallacea destruens

Distribution

‘Borneo’, Indonesia (Sumatra), East & West Malaysia, Philippines, Thailand, Vietnam

Host plants

unknown, but probably associated with Dipterocarpaceae like other Fortiborus species (Smith et al. 2020b)

Remarks

Brood size can be as high as 120 in a gallery (Beaver and Browne 1978).

DNA data

specimens not available for sequencing