Caterpillar of Archduke butterfly (Lexias pardalis dirteana)

Above, the male is dark velvety black above with a broad greenish-blue distal border on the hindwing, which is continued narrowly along the termen of the forewing. The larger female is dark brown, and profusely spotted with yellow. Underneath, the male is deep ochreous brown with yellow spots. The female is dark brown on the forewing and pale grayish green on the hindwing; with both wings spotted with white. The apical portion of the antennal club is orange in both sexes.