Trogonoptera trojana

Trogonoptera trojana, the Palawan birdwing or triangle birdwing, is a birdwing butterfly of the family Papilionidae. It is endemic to Palawan in the Philippines. It is one of only two species in its genus, the other being the more widespread Rajah Brooke's birdwing, where the male has larger green markings on the hindwings. This species is included in CITES Appendix II,^[2] restricting international export to those who have been granted a permit. The wingspan is approximately 18–19 cm (7.1–7.5 in).^[2] The species may be observed flying at any point during the year. The larvae feed on Aristolochia.^[2]

Palawan birdwing
Adult male (top) and female (bottom) dorsal surface
Conservation status
Near Threatened  (IUCN 3.1)
CITES Appendix II (CITES)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Papilionidae
Genus:	Trogonoptera
Species:	T. trojana
Binomial name
Trogonoptera trojana (Staudinger, 1889)
The Palawan birdwing is endemic to Palawan in the Philippines.
Synonyms
Troides trojana

Taxonomy

Genus: Trogonoptera Rippon, 1890

Species: Trogonoptera brookiana Wallace, 1855

Subspecies: Trogonoptera brookiana brookiana (Wallace, 1855)

Form: Trogonoptera brookiana brookiana f. brookiana Wallace, 1855

Form: Trogonoptera brookiana brookiana f. julijae S.Hu, 2007

Subspecies: Trogonoptera brookiana toshikii Kobayashi, 1991

Subspecies: Trogonoptera brookiana akikoa Morita, 1994

Species: Trogonoptera trojana Honrath, 1886

Illustrations

• 
  Males from Icones Ornithopterorum volume 2
• 
  Females from Icones Ornithopterorum volume 2