Taxonomic history

Streptocranus fragilis Browne, 1949: 901.

Coptoborus fragilis (Browne): Wood and Bright, 1992: 663.

Streptocranus fragilis (Browne): Hulcr et al., 2007: 582.


1.9−2.15 mm long (mean = 2.03 mm; n = 5); 4.3−4.75 times as long as wide. This species can be distinguished by its small size; elytra with sides nearly parallel from base to apex; declivital interstriae 1, 3 unarmed; and elytral distal projection short, rounded, weakly carinate.

May be confused with

Streptocranus bicolor, S. mirabilis, and S. petilus


Brunei, China (Fujian, Yunnan), East & West Malaysia, Thailand

Host plants

recorded from Eugenia (Myrtaceae), Palaquium (Sapotaceae) (Browne 1961b) and Liquidambar (Altingiaceae) (Smith et al. 2020b)

DNA data

Sequences available for COI and CAD.

COI: HM064096

CAD: HM064277