Purple emperor

Description

Apatura iris,the purple emperor,is a Eurasian butterfly of the Nymphalidae family.Adults have dark brown wings with white bands and spots,and a small orange ring on each of the hindwings.Males have a wingspan of 70–80 millimetres (2.8–3.1 in),and have an iridescent purple-blue sheen that the slightly larger (80–92 mm) females lack.The larvae (caterpillars) are green with white and yellow markings,and have two large "horns" at the anterior end and a smaller one at the posterior.