Wingspan: Male and female tailed. Male black, upper surface of the forewing with rather short blue-grey stripes at the distal margin; hindwing with broad, blue-grey, densely scaled band, which extends nearly to the distal margin, is almost uniformly concave towards the base and does not reach the cell. Female in two principal forms; forewing with the exception of the base much lighter, the red basal spot at least indicated, the blackish stripes between the veins weaker than in the
memnon-forms, hindwing with large white, distally yellowish central area, which is intersected by the thin black veins: female-f.
zephyria form, nov.) the hindwing almost entirely black, without white area: female -f.
suffusus Lathy. — Palawan, Balabac and North Borneo. ==Biology==