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*D'Abrera, B. (1975). ''Birdwing Butterflies of the World''. Country Life Books, London.
*D'Abrera, B. (1975). ''Birdwing Butterflies of the World''. Country Life Books, London.
*Collins, N.M., Morris, M.G. (1985). ''Threatened Swallowtail Butterflies of the World'': the IUCN Red Data Book (1985) IUCN [http://ia600501.us.archive.org/4/items/threatenedswallo85coll/threatenedswallo85coll.pdf pdf]
*Collins, N.M., Morris, M.G. (1985). ''Threatened Swallowtail Butterflies of the World'': the IUCN Red Data Book (1985) IUCN [http://ia600501.us.archive.org/4/items/threatenedswallo85coll/threatenedswallo85coll.pdf pdf]
* Gimenez Dixon, M. (1996). [http://www.iucnredlist.org/search/details.php/15511/all Ornithoptera aesacus]. [http://www.iucnredlist.org 2006 IUCN Red List of Threatened Species. ] Downloaded on 31 July 2007.
* Gimenez Dixon, M. (1996). [http://www.iucnredlist.org/search/details.php/15511/all Ornithoptera aesacus]. [https://web.archive.org/web/20140627000000/http://www.iucnredlist.org 2006 IUCN Red List of Threatened Species. ] Downloaded on 31 July 2007.
*Haugum, J. & Low, A.M. (1978-1985). ''A Monograph of the Birdwing Butterflies''. 2 volumes. Scandinavian Press, Klampenborg; 663 pp.
*Haugum, J. & Low, A.M. (1978-1985). ''A Monograph of the Birdwing Butterflies''. 2 volumes. Scandinavian Press, Klampenborg; 663 pp.
*Parsons, M.J. (1996). A phylogenetic reappraisal of the birdwing genus ''Ornithoptera'' (Lepidoptera: Papilionidae: Troidini) and a new theory of its evolution in relation to Gondwanan vicariance biogeography. ''[[Journal of Natural History]]'' 30(11):1707-1736.
*Parsons, M.J. (1996). A phylogenetic reappraisal of the birdwing genus ''Ornithoptera'' (Lepidoptera: Papilionidae: Troidini) and a new theory of its evolution in relation to Gondwanan vicariance biogeography. ''[[Journal of Natural History]]'' 30(11):1707-1736.

Revision as of 16:58, 16 July 2016

Obi Island Birdwing
Male, mounted specimen
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Species:
O. aesacus
Binomial name
Ornithoptera aesacus
Ney, 1903

The Obi Island Birdwing (Ornithoptera aesacus) is a rare species of birdwing butterfly, endemic to the island of Obira (formerly Obi), Indonesia.[1]

The specific epithet of Ornithoptera aesacus, is named after Æsacus, the eldest son of Priam.

History

Ornithoptera obiensis in Robert Henry Fernando Rippon Icones Ornithopterorum (1898 to 1906)

The original description is: aesacus Ney, F. 1903 as Troides priamus Form aesacus. The full reference is Ney, F. 1903 Eine neue Troides-Form von Obi. Insekten-Börse 20 (5): 36., 1903.

The depository of the four syntypes collected by J. Waterstradt in May 1902 is unknown. They were once held by Hermann Rolle, whose collection, in part, was sold to Eugène Le Moult.

Description

Ornithoptera aesacus is a member of the Ornithoptera priamus species group. The two species are very similar but the male O. aesacus has a brilliant turquoise-blue sheen.

Taxonomy

The classification of Ornithoptera aesacus as a species does not have full consensus, and is sometimes regarded as a subspecies of Ornithoptera priamus by some, such as Parsons (1996).

Synonymy

  • O. obiana (Waterstradt in litt.) Rebel, 1906
  • O. obiensis Rippon, 1906
  • O. obiana (as O. arruana obiana) Rippon, 1906-1912

Distribution

The Obi Islands. Ornithoptera aesacus is known to occur only on Obira

The Obi Island Birdwing is endemic to the island of Obira in Indonesia.[1] It inhabits tropical rainforest. Due to extensive logging on the island the conservation of the species is a concern, and has been classified as 'Vulnerable' by the IUCN[2] Twenty years ago it was the rarest birdwing species in the world. It remains threatened, but is commercially bred.

References

  1. ^ a b Global Biodiversity Information Facility, record for Ornithoptera aesacus
  2. ^ IUCN assessment as 'Vulnerable' for Ornithoptera aesacus
  • D'Abrera, B. (1975). Birdwing Butterflies of the World. Country Life Books, London.
  • Collins, N.M., Morris, M.G. (1985). Threatened Swallowtail Butterflies of the World: the IUCN Red Data Book (1985) IUCN pdf
  • Gimenez Dixon, M. (1996). Ornithoptera aesacus. 2006 IUCN Red List of Threatened Species. Downloaded on 31 July 2007.
  • Haugum, J. & Low, A.M. (1978-1985). A Monograph of the Birdwing Butterflies. 2 volumes. Scandinavian Press, Klampenborg; 663 pp.
  • Parsons, M.J. (1996). A phylogenetic reappraisal of the birdwing genus Ornithoptera (Lepidoptera: Papilionidae: Troidini) and a new theory of its evolution in relation to Gondwanan vicariance biogeography. Journal of Natural History 30(11):1707-1736.