Troides helena (female)
 
Troides helena, also called Common Birdwing is a butterfly from Australasia / Indomalaya ecozone (Australia). The first description was in 1758 by Linnaeus. The wingspan is about 13 – 17 cm. This butterfly is a member of the family PAPILIONIDAE. Troides helena is black. The hind wings are golden. The females are dark-brown and larger than the males. They have black spots on their hind wings. Troides helena is a butterfly from the Australasia / Indomalaya (Australia) ecozone. You can observe this butterfly from Thailand until Indonesia.