MORPHOLOGY
External characteristics
Male
Wingspan (mm): 70 - 85 (DBpedia, n.d.).
Forewings: The upper side wing surface is covered with blue-ish grey scale on the outer half of the cell (Yata and Morishita, 1979). There is a red patch on the upper side wing surface (Kirton, 2018). Hindwings The hindwing upper side has a red coloured basal area (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). The hindwing upper side has the cell traversed by a black band in the middle and is not covered in blue-ish grey scales (Yata and Morishita, 1979).
Subspecies and variation
Six subspecies are described, of which two subspecies are found in West Kalimantan (Pequin, 2021).