MORPHOLOGY
External characteristics
Male
Forewing length (mm): 40 - 42 (Otsuka, Kazuhisa, 2001) .
Forewings: The forewing upper side has its outer half stained with black coloured scales. The forewing underside apex is not yellow (Yata and Morishita, 1979). The forewing upper side is white coloured, which is towards the outside darker in appearance, and has black veins (Otsuka, Kazuhisa, 2001). Hindwings The hindwing underside lacks the black coloured discal spot (Yata and Morishita, 1979). The hindwing underside has a prominent yellowish brown band in the submarginal region (Otsuka, Kazuhisa, 2001).
Female
The sexes are similar, but the females have heavier black apical markings on the underside wing surface (D'Abrera, 1982). The wings are rounded and the marginal border is broader in females (Yata and Morishita, 1979).
Subspecies and variation
No subspecies (Yata and Morishita, 1979).