Male: upperside rich velvety blue-black. Fore wing: outwardly towards the terminal margin and the whole of the hind wing except the dorsal area have in certain lights a rich dark purple bloom, in others a very dark green; dorsal area and the whole inner side of the sexual fold opaque brownish black; outer half of fore wing with pale adnervular streaks more or less prominent. Underside similar; fore wing with the adnervular pale streaks broader, more prominent, extended further inwards well up to the terminal margin. Hind wing: ground-colour more uniform blue-black than on the upperside. Antennae, head, thorax and abdomen black; the head in front, on the sides and beneath, the sides of the thorax and of the abdomen rich crimson ; beneath, the thorax and abdomen black, the latter with lateral black spots in addition on its crimson sides.
Female: Upperside dull black. Fore wing with the pale greyish-green streaks very broad and prominent, especially in interspaces 1 and 2, the streaks extend also into the cell. Hind wing more uniform, with a dark dull blue, in some lights dark green, bloom. Underside similar, the streaks on the fore wing broader and paler; hind wing as on the upperside, more uniform, duller, opaque. Antennae and thorax black, abdomen dull brownish black, head crimson; beneath as in the male, but the crimson less bright, especially on the sides of the abdomen and without the lateral spots on the latter.