Papilio is a genus in the swallowtail butterfly family, Papilionidae, as well as the only representative of the tribe Papilionini. The word papilio is Latin for butterfly. The genus includes a number of well-known North American species such as the western tiger swallowtail (Papilio rutulus). Familiar species in Asia include the Mormons (Papilio polytes, Papilio polymnestor, Papilio memnon, and Papilio deiphobus), the orchard and Ulysses swallowtails in Australia (Papilio aegeus, Papilio ulysses, respectively) and the citrus swallowtail of Africa (Papilio demodocus).