Taxonomic history

Xyleborus macropterus Schedl, 1935b: 271

Fortiborus macropterus (Schedl): Beaver et al., 2014: 51.

Diagnosis

4.8−5.1 mm long (mean = 4.93 mm; n = 3); 2.55−3.06 times as long as wide. This species can be distinguished by the small size; conspicuously angulate elytral apex; posterolateral declivital costa weakly elevated and asperate; declivity appearing very broad and rounded; tubercles on declivital interstriae uniformly sized, present from base to apex; and discal interstrial punctures uniseriate.

May be confused with

Fortiborus major

Distribution

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

Host plants

Apart from a single record from Sapotaceae, recorded only from various genera of Dipterocarpaceae (Balanocarpus, Dipterocarpus, Dryobalanops, Hopea, Shorea, Vatica) (Browne 1961b, Ohno 1990).

DNA data

specimens not available for sequencing