Troides criton
Troides criton, the Criton birdwing, is a birdwing butterfly found on the islands of Morotai, Halmahera, Bali, Bacan, Ternate and Obi in Indonesia.
Description
Troides criton is sexually dimorphic.Male: The ground colour of the forewings is black. A large discal golden area has veins are black veins. The underside is very similar.
Female: In the female some of the veins are bordered by white. There is a chain of internervular black spots in the golden area. The underside is very similar.
In both sexes the abdomen is brown with a yellow underside. The head and thorax are black and the underside of thorax has red hair.
Subspecies
- Troides criton criton Sulawesi, Moluccas, Morotai, Ternate, Tidore, Halmahera, Kasiruta, Sula Islands, Bacan
- Troides criton critonides Obi Islands Not constantly different from criton.Male: forewing beneath often with white vein-stripes the cell-spot of the hindwing mostly less obliquely truncate than in criton. In the female the spot placed before the 1st radial of the hindwing always small, no yellow or cream-coloured discal spot before the subcostal; the black discal spots completely merged together, so that above only quite small yellow submarginal spots are present.