Nymphalis antiopa. Pragelato, Torino, Italy
Date 15 July 2016
Author Hectonichus https://commons.wikimedia.org/wiki/User:Hectonichus
Source: https://commons.wikimedia.org/wiki/File:Nymphalidae_-_Nymphalis_antiopa_(caterpillar)_.jpg

Nymphalis antiopa, known as the mourning cloak in North America and the Camberwell beauty in Britain, is a large butterfly native to Eurasia and North America. The immature form of this species is sometimes known as the spiny elm caterpillar. Other older names for this species include grand surprise and white petticoat.