MORPHOLOGY
External characteristics
Male
Wingspan (mm): 83 (Grose Smith And Kirby, 1892).
Forewings: The forewing underside has its basal half blackened. The neck of the plume scale is slender (Yata and Morishita, 1979). Hindwings The hindwing underside has an uniformly yellow ground colour, with a series of submarginal black lunules which are more or less united with each other (Yata and Morishita, 1979).
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
Five subspecies are described (Pequin, 2021).