Chersonesia rahria has bright orange forewings with fine wavy lines in darker color, the underside of the wings has the same pattern but the pattern is more subtle. Females have wings that are wider and rounder, they are slightly paler in color.
Larva: Chersonesia rahria adult larvae are pale green with diagonal stripes in dark green, cylindrical shape, smooth surface, on the 2nd and 8th abdominal segments have serrated horns on the posterior edges. Its head is brown with a pair of curved horns.
Pupa: The Chersonesia rahria pupa is brown in color with a pair of curved horns on its head, a small thorn-like protrusion on its chest and a dorsal keel protruding from the abdomen. Hanging on a leaf or twig with the help of a cremaster.