MORPHOLOGY
External characteristics
Male
Wingspan (mm): 44.5 (Grose Smith And Kirby, 1892).
Forewings: The forewing upper side is white coloured and the costa and apical third are black coloured. The forewing underside is white coloured, with the basal half of the cell and apical third grey-ish black coloured. There is an irregular row of pale yellow coloured spots (Grose Smith And Kirby, 1892). Hindwings The hindwing upper side is white coloured. The hindwing underside is pale yellow coloured, with the basal third grey-ish black coloured. The costa is at the base yellow and there is a yellow spot above the subcostal nervure. The veins have a yellow ground-colour (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).
Subspecies and variation
Two subspecies are described (Pequin, 2021).