Streptocranus bicolor


  Streptocranus bicolor  lateral; R.K. Osborn

Streptocranus bicolor lateral; R.K. Osborn


  Streptocranus bicolor  dorsal; R.K. Osborn

Streptocranus bicolor dorsal; R.K. Osborn


  Streptocranus bicolor  declivity; R.K. Osborn

Streptocranus bicolor declivity; R.K. Osborn


  Streptocranus bicolor  frontal; R.K. Osborn

Streptocranus bicolor frontal; R.K. Osborn


Taxonomic history

Streptocranus bicolor Browne, 1949: 900.

Coptoborus bicolor (Browne): Wood and Bright, 1992: 662.

Streptocranus bicolor Browne: Hulcr et al., 2007: 582.

Diagnosis

2.4−3.6 mm long (mean = 2.69 mm; n = 5); 4.0−4.17 times as long as wide. 2.4−3.6 mm long (mean = 2.69 mm; n = 5); 4.0−4.17 times as long as wide. This species can be distinguished by its moderate size; strongly attenuateattenuate:
gradually tapering apically
elytra; and dorsaldorsal:
of or relating to the upper surface; opposite of ventral
margin of elytralelytral:
pertaining to the elytra
process with a minute denticledenticle:
a small tooth, the sides of which are equal and the tip is above the middle of the base
(occasionally absent) at the level of the elytralelytral:
pertaining to the elytra
apexapex:
point or edge furthest from the body; opposite of base
.

May be confused with

Streptocranus fragilis, S. mirabilis, and S. petilus

Distribution

East & West Malaysia, Thailand

Host plants

recorded from Dryobalanops, Shorea (Dipterocarpaceae), Eugenia (Myrtaceae) and Palaquium (Sapotaceae); probably polyphagous (Beaver et al. 2014)

DNA data

specimens not available for sequencing