Battus polydamas

Battus polydamas, the gold rim swallowtail, Polydamas swallowtail or tailless swallowtail, is a butterfly of the family Papilionidae. The wingspan is 90–120 mm without the tail. The uppersides of the wings are black with a broad submarginal band formed by large yellow spots. The undersides of the forewings have the same pattern, while the hindwings have a submarginal row of red lunules. This butterfly flies from April to November in three generations in the north of its range, throughout the year in several generations in the tropics. The larvae feed on Aristolochia species. It is found in the Neotropic ecozone of North America and South America, and the southernmost parts of the North American Nearctic ecozone in Mexico. Battus polydamas is mainly present in open woods and in abandoned fields.