Oglasa sordidula Walker comb. n.
Chodda sordidula Walker, [1863] 1864, J. Linn. Soc. (Zool.), 7: 64.
Diagnosis
This species is distinguished from other Oglasa by the diffusely paler band that runs subcostally just posterior to the less clearly defined dark costal triangles.
Geographical range
Borneo, Singapore, Sumatra.
Habitat preference
This is a rare lowland forest species, four specimens being recorded from dipterocarp forest, including alluvial forest, and one from heath forest near mangrove. None was from above 100m.
Genitalia:
