Taxonomic history

Xyleborus bicuspis Eggers, 1940: 153.

Coptoborus bicuspis (Eggers): Wood and Bright, 1992: 662.

Streptocranus bicuspis (Eggers): Hulcr et al., 2007: 582.


2.2−3.4 mm long (mean = 2.87 mm; n = 4); 3.85−4.25 times as long as wide. The species is distinguished by the unique elongate elytral processes, strongly tapering, strongly curved dorsad, and with an acutely pointed tip.

May be confused with



‘Borneo', Indonesia (Java), West Malaysia, Thailand

Host plants

recorded only from Castanopsis (Fagaceae) (Browne 1961b)

DNA data

specimens not available for sequencing