Cassyma undifasciata Butler
Maresia undifasciata Butler, 1892, Proc. zool. Soc. Lond., 1892: 132.
Diagnosis
See C. sciticincta above. The hindwing submarginal has a distinctive black triangle enclosed by its crenulation in the space anterior to M3. The grey of the ground colour is more striated than in other grey species.
Geographical range
Borneo.
Habitat preference
All specimens have been taken in low-lying areas: Sandakan, Busan, Labuan. The species has been taken recently in lowland dipterocarp and heath forests at Barito Ulu, central Kalimantan, by W. Boyd-Wallis.
Genitalia:
