Battus polystictus

Description

Battus polystictus is a species of butterfly from the family Papilionidae that is found in Brazil, Paraguay, Uruguay and Argentina. Male and female are less dimorphic than in related species as regards wing shape and pattern, but the male has a prominent pale yellow lengthwise stripe on the upperside of its abdomen. The larvae feed on Aristolochia brasiliensis, Aristolochia fimbriata and Aristolochia triangularis.