common birdwing (Troides helena) Pompeoptera cerberus & Pompeoptera pompeus
Date 1899
Source Icones Ornithopterorum Volume 2 http://archive.org/stream/IconesornithoptIIRipp#page/57/mode/1up
Author Robert Henry Fernando Rippon (d 1917)
Source: https://commons.wikimedia.org/wiki/File:PompeopteraCerberusRippon.jpg
The common birdwing (Troides helena) is a butterfly belonging to the family Papilionidae. Globally it is found in Nepal, India, Bangladesh, Myanmar, peninsular and eastern Malaysia, Singapore, Indonesia, Laos, Kampuchea, Thailand, Vietnam, southern China including Hainan, and Hong Kong.