MORPHOLOGY
External characteristics
Male
Wingspan (mm): 51 (Grose Smith And Kirby, 1892).
Forewings: The both wings are white coloured on the upper side. The forewing upper side has a blackish grey apical area. The forewing underside has a glossy grey colouration on the apical area, the costa, the upper part of the cell and the disco-cellular nervules (Grose Smith And Kirby, 1892). Hindwings The hindwing underside is pale yellow and the basal part of the cell and a space above and below it are pale grey coloured (Grose Smith And Kirby, 1892).
Female
The females generally have a different underside wing surface than the males, by being darker with broader margins on both wings (D'Abrera, 1982). The upper side wing surface has a dark apical area on the forewings. the hindwings are bordered by a dark grey band (Grose Smith And Kirby, 1892).
Subspecies and variation
Two subspecies are described (Pequin, 2021).