Byasa impediens

Description

Byasa impediens, the pink-spotted windmill, is a species of butterfly from the family Papilionidae (swallowtails) found in Taiwan. The wingspan is 10–11 cm. The wings are black and have large light pink spots. The underside of the wings are similar to the upside. The body is partially black with a covering of red hairs underneath. The larva feed on Aristolochia species.