Trogonoptera trojana

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Palawan birdwing
Trogonoptera trojana male and female.jpg
Adult male (top) and female (bottom) dorsal surface
CITES Appendix II (CITES) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Papilionidae
Genus: Trogonoptera
Species:
T. trojana
Binomial name
Trogonoptera trojana
(Staudinger, 1889)
Palawan Peacock Pheasant range.svg
The Palawan birdwing is endemic to Palawan in the Philippines.
Synonyms
  • Troides 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]

Contents

Taxonomy

Genus: Trogonoptera Rippon, 1890

Species: Trogonoptera brookiana Wallace, 1855
Subspecies: Trogonoptera brookiana brookiana(Wallace, 1855)
Form: Trogonoptera brookiana brookiana f. brookianaWallace, 1855
Form: Trogonoptera brookiana brookiana f. julijaeS.Hu, 2007
Subspecies: Trogonoptera brookiana toshikiiKobayashi, 1991
Subspecies: Trogonoptera brookiana akikoaMorita, 1994
Species: Trogonoptera trojana Honrath, 1886

Illustrations

Related Research Articles

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<i>Trogonoptera</i> Genus of butterfly

Trogonoptera is a genus of birdwing butterflies from the rainforests of the Thai-Malay Peninsula, Borneo, Natuna, Sumatra, Palawan, and various small islands west of Sumatra. Their large size and stunning colors makes them highly prized by collectors. There are at least three theories as to why these butterflies have such distinctive markings on their wings: (1) the alternate green/black spear shapes mimic sharp thorns; (2) the green spear shapes mimic the camouflage pattern of a fern leaf when the butterfly is resting; (3) when flying, the black and green markings mimic those of green broadbill bird feathers in flight. The three green broadbill species in Borneo are found in the same habitats as Rajah Brooke's birdwing, which occurs from the forested lowlands up to 2.000 m on Mount Kinabalu. A number of observers have noted that all Borneo's birdwing butterflies are so large that they are easily mistaken for birds in flight. A bird hunting for an insect to eat would be unlikely to attack a bird. If the butterfly wing pattern mimics the broadbill's feathers then it would be a case of a Müllerian mimicry ring because both species have wings covered with thorn like patterns. In addition the broadbills are protected because of their large beaks and the butterfly because it is poisonous. The blue colors evolved in Trogonoptera brookiana form hecata and Trogonoptera trojana may be explained by the presence of fairy-bluebirds in their habitat.

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<i>Troides amphrysus</i> Species of butterfly

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<i>Troides staudingeri</i> Species of butterfly

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References

  1. "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  2. 1 2 3 Butterfly Corner. Trogonoptera trojana. Accessed 21 May 2012