Belus Swallowtail

Battus belus is a large Butterfly with a wingspan of 80 to 100 mm. The wings are without a tail. The upperside is black widely suffused with structural green or blue green, with variable white patches and bands. The underside is pearl sheened brown with a submarginal row of small white dots and big red chevrons. The caterpillars are brown marked with black. "Forewing of the male without white spots on the upper surface; hindwing with one to seven white spots on the disc, the first of which is always large; the forewing of the female is similar to that of the male or it has a large pale yellow area. Hindwing beneath in both sexes with white dots outside the red submarginal spots".