Arctornis discirufa Swinhoe comb. n.

Leucoma discirufa Swinhoe, 1903, Trans. ent. Soc. London, 1903: 384.

Diagnosis

This is the smallest of the pale yellow species and has less falcate forewings that are distinguished by a prominent, rufous discal spot. The male genitalia are also distinctive, indicating the species is not closely related to any of the previous three: the uncus is narrow, tapering, and the valve has a curved spine apically in addition to the harpe.

Geographical Range

Borneo, Peninsular Malaysia, Sumatra.

Habitat Preference

The species is never common but has been recorded from a wide range of lowland forest types, including heath and coastal forests.

Genitalia: