Troidini  Troidini is a tribe of swallowtail butterflies that consists of some 135 species in 12 genera. Members of this tribe feed on poisonous pipevine plants, typically of the genus "Aristolochia", as larvae. As a result, they themselves are poisonous and unpalatable to predators (Pinheiro 1986), like the pipevine swallowtail, and are mimicked by other butterflies (Scott 1986). The tribe consists of the following genera: