On the obverse the wings are black, with a pale yellow band crossed by black veins and bear a few pale yellow spots above the cell and in the submarginal part.

The hindwings bear a pale yellow stripe in the extension of that of the forewings, a series of submarginal pale yellow macules and an orange lunule surmounted by an iridescent blue lunule in the anal angle.

The fore wings are similarly patterned but the black parts are striped with yellow, the hind wings are pale yellow edged with black and have a row of orange lunules edged with black in the middle part.

In the latter, the median band of the forewings and hindwings is absent on the obverse, while the reverse is predominantly black, with submarginal pale yellow macules on the hindwings in addition to the median orange lunules.

It is darker in the dark form Adults are on wing from April to September.