MORPHOLOGY
External characteristics
Male
Forewing length (mm): 23 (Yata and Morishita, 1979).
Forewings: The sex brand is thin and distinct. The forewing underside has cell spots that usually becomes extinct (Yata and Morishita, 1979). Hindwings There is a submarginal series of spots on the hindwing underside (Yata and Morishita, 1979).
Female
Subspecies and variation
No subspecies. There is some variation in the development of the cell spots on the forewing underside and of the submarginal series of spots on the hindwing underside (Yata and Morishita, 1979).