AdultAdults are unmistakable, tiny yellow butterflies with black wing borders. They cannot be confused with any other butterfly.
Immature StagesEggs are orange yellow when laid and do not change colour to orange. Mature larvae are dark green with a broad purple dorsal stripe bordered on each side by a narrow yellow stripe, and there is a yellow lateral stripe on each side with an equally wide purple band above. The body is covered with numerous white hairs, and the head is green with white hairs. Pupae are green with fine whitish markings. The underside of the abdomen is white green. There is a purple dorsal line on the thorax, and a purple green dorsal line from the thorax back along the abdomen that is bordered in yellow. There is a yellow lateral band in the middle area of the abdomen, and spiracles have purple spots above them (Scott 1992).
SubspeciesNone. The type locality of the species is Mexico.