Brimstone (Gonepteryx rhamni)
Brimstone, Zitronenfalter, Gonepteryx rhamni, female.
Pieridae, Gonepteryx rhamni, Common Brimstone
Gonepteryx rhamni (known as the Common Brimstone) is a butterfly of the Pieridae family. It lives in Europe, North Africa and Asia; across much of its range, it is the only species of its genus, and is therefore simply known locally as the brimstone.