Polyura_sempronius
Polyura sempronius
Species of butterfly
Polyura (pyrrhus) sempronius, the tailed emperor, is a large butterfly by Australian standards, with a wingspan of some 75 mm for males and 85 mm for females.[1] The uncommon but widespread[2] butterfly occurs in a variety of habitat types[2] in northern and eastern Australia, where it occurs predominantly in the warm and subtropical coastal regions. It is a resident species where its food plants, certain legumes (Mimosaceae and Caesalpiniaceae) and kurrajongs, are native.[2]