Graphium is a genus of swallowtail butterflies. They are commonly known as swordtails. They are native to Eurasia, Africa, and Oceania. The genus has over 100 species. These species are mostly tropical. Their coloration is variable. Their habitat varies from rainforests to savannahs. Some species have tails on their hind wings which may be long and swordlike. Others do not have any tails. "Graphium" species are often seen at mud puddles.