Arctornis trasiana Collenette comb. n.

Scarpona trasiana Collenette, 1933, Stylops, 2: 43.

Diagnosis

Males are similar to those of marginata in appearance, though larger, paler yellow in ground colour and with a more evenly curved costa to the forewing. The discal spot is larger. The male genitalia have a rather spear- shaped uncus, and the valve costa in the transtillar region has a dorsally directed spine.

Geographical Range

Peninsular Malaysia, Sumatra, Borneo.

Habitat Preference

The only Bornean specimen seen is from Kuching in the lowlands of Sarawak.

Genitalia: