Its wings are bright white with a pattern of neat black blotches, some solid and some hollow.

The overside of the abdomen is dark blue with orange markings, while the underside is white with solid black spots, and males have a narrow yellow line on the sides.

[4] This species has a notable sexual dimorphism in size, with the adult male reaching about 51 mm (2 in) in length, while the adult female grows up to 30 mm (1.2 in).The leopard moth requires two years to complete its round of life.

The male effectuates the locomotion, while the female folds her legs to make her easier to carry.

Like the banded woolly bear, its hairs are not urticant nor venomous and do not typically cause irritation.