Ornithoptera paradisea

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Paradise Birdwing
File:Paradisea male P3010006.jpg
Ornithoptera paradisea male, dorsal side
File:Ornithoptera paradisea f.jpg
Ornithoptera paradisea, dorsal side
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Papilionidae
Tribe:
Troidini
Genus:
Ornithoptera
Species:
O. paradisea
Binomial name
Ornithoptera paradisea

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The Paradise Birdwing (Ornithoptera paradisea) is a species of birdwing butterfly found in New Guinea.

History

Arnold Pagenstecher and Staudinger both described this butterfly, under different names and the first description by Staudinger was based on a manuscript sent to him by Pagenstecher who possessed specimens from the collection of D. Wolf von Schönberg in Naumburg who had acquired them from a colonist in the then German New Guinea. Pagenstecher's name is Schoenbergia schoenbergi and the year of publication also 1893. Robert Henry Fernando Rippon in his illustrated monograph Icones Ornithopterorum (1898 to 1906) attributes the name paradisea to both entomologists i.e. as Ornithoptera paradisea Pagenstecher and Staudinger.

The holotype is held by Zoologische Staatssammlung München.[1] which also holds the type of Ornithoptera schoenbergi Pagenstecher

The specific epithet paradisea, is the Persian word for Paradise.[citation needed]

Description

File:SchoenbergiaParadiseaRippon.jpg
Illustration of both males and females

Ornithoptera paradisea is a large butterfly with a wingspan ranging from 140 mm to 190 mm. Males and females differ in the size, shape and colour of the wings.

Male: Males have black fore wings. The costal edge is black and there are two large, yellow gold and green bands. The underside of the male forewing is green with black veins and at the apex there is a black area. The hind wings are tiny triangles, golden and with thin tails. The inner edge of the hind wing is black and there is usually a green stripe between the golden area and the inner edge. The outer edge of the hind wing is usually green.The underside is very similar to the upperside but the inner edge is green and hairy. The hindwings have tails of uncertain selective origin.The only other tailed Ornithoptera is Ornithoptera meridionalis.

The abdomen is yellow, the head and thorax are black and green.

Female: O. paradisea is strongly sexually dimorphic and the significantly larger female covers the upper range of the wing-span.The basic colour is dark-brown. Two groups of white spots dominate the fore wing and on the hind wings there is a white area with a yellow outer edge. Between these there is a chain of black spots. The underside is very similar to the upperside, but the colours are stronger.

The abdomen is yellow, the head and thorax are black and green.

Biology and life-cycle

File:Caterpillar of Paradise Birdwing (5052713119).jpg
Caterpillar

The habitat is lowland or montane primary forest. Adult males fly high around trees rarely descending to the ground. Females fly below the canopy searching for the foodplant which is a species of Aristolochia with orange fruits. The male emits a pleasant scent from the fringe of white hairs along the anal vein of the hind wing.

The egg is 4 mm. in diameter and light orange. Eggs are laid singly and are attached to the ventral surface of an Aristolochia leaf or a nearby object. The first instar larva is dark red wine colour.Instars 2-5 are velvet black and bear red tubercles with long black tips.The pupa is brown with a bright yellow and orange saddlemark.It has a waxy coating and two short, sharp spurs on abdominal segments 3-6.

The eggs are parasitised by species of Chalcidoidea and the larvae are parasitised by Braconidae. Ants, lizards and birds eat the larvae and pupae and in monsoon the larvae suffer 30% mortality.

The Paradise Birdwing is closely related to Ornithoptera meridionalis.

Subspecies

File:SchoenbergiaParadisea2Rippon.jpg
Illustration of females
  • †Ornithoptera paradisea paradisea Staudinger, 1893 — Huon Peninsula to Astrolabe Bay in lowlands. This is the nominate subspecies and it is now extinct.
  • Ornithoptera paradisea borchi (Haugum & Low, 1974) — Central parts of the Northern Ranges: Torricelli and Alexander Mountains, and at Dreikir, East Sepik district, at altitudes from 1500 feet but mostly from 2000 to 3000 feet. the male abdomen has a simple median pattern, the dorsal fringes are snow white, the outer margin of hindwiing averaging and additional golden and iridescent green spots present with a larger frequency than in the nominate subspecies. Females have a modified wing-shape and pattern.
  • Ornithoptera paradisea chrysanthemum (Kobayashi & Koiwaya, 1979)
  • Ornithoptera paradisea demeter (So & Sato, 1998) — type locality: Papua New Guinea, Southern Highlands Province, Lake Kutubu.
  • Ornithoptera paradisea detanii Schäffler, 2001 — Sudirman Range
  • Ornithoptera paradisea flavescens Rothschild, 1897 — Etna Bay, probably lowland. Based on a sole female specimen and the status is doubtful. Original description
  • Ornithoptera paradisea arfakensis Joicey & Noakes, 1915 — Arfak Mountains of the Vogelkop Peninsula, high altitude. A very distinct purely high-altitude subspecies, and the distribution is separated from that of the nominate subspecies. Considered a full species by some recent authors.

The 2004 revision by Gilles Delisle accepts three subspecies Troides paradisea paradisea, Troides paradisea chrysanthemum and Troides paradisea arfakensis Joicey & Noakes, 1915

Conservation

Supported by World Association of Zoos and Aquariums who claim that Papua New Guinea farmers achieve more income with breeding butterflies for life exhibits in zoos than with cultivation of coffee encourage support for the natural butterfly populations by cultivating food plants. Income is also made from sales to collectors. In his 1983 report to the Department of Primary Industries, Papua New Guinea, M.J. Parsons wrote that "Ironically it is now becoming an accepted fact that the very demand for Ornithoptera is one of the main assets which will ensure their future survival if they can be exploited in the correct way."[1]

The Paradise Birdwing is listed on CITES appendix II, limiting the international exportation of the species to those who are granted a permit.[2]

References

  1. ↑ Parsons, M.J. (1983). A conservation study of the birdwing butterflies Ornithoptera and Troides (Lepidoptera: Papilionidae) in Papua New Guinea. Final report to the Department of Primary Industry, Papua New Guinea. 1 1 1 pp.
  2. ↑ CITES Appendices I, II and III Version 27 April 2011
  • D'Abrera, B. (1975) Birdwing Butterflies of the World. Country Life Books, London.
  • Borch, H. and Schmid. F., 1975 . The life cycle of Ornithoptera paradisea (Papilionidae). Journal of the Lepidopterists' Society 29: 1-9. 12 col figures. [2] pdf includes colour photos of egg, larval instars and pupa.
  • Collins, N.M., Morris, M.G., IUCN, 1985 Threatened Swallowtail Butterflies of the World: the IUCN Red Data Book (1985) IUCN pdf
  • Haugum & Low, 1974 The sub-species and forms of the tailed Birdwing Ornithoptera paradisea Staud Entomologist's Rec. J. Var. 1974: First description of Ornithoptera (Schoenbergia) paradisea borchi
  • Haugum, J. & Low, A.M. 1978-1985. A Monograph of the Birdwing Butterflies. 2 volumes. Scandinavian Press, Klampenborg; 663 pp.
  • Deslisle,G. 2004 A Taxonomic Revision of the Birdwing Butterflies of Paradise, genus Ornithoptera, based on the adult morphology .Lambillionea, 2004 (4 Décembre supplément) 96 pp + 51 plates.
  • Savela, Marrku Website on Lepidoptera [3] (accessed 14 November 2012)
  • So, H. & S. Sato, 1998: A new subspecies of Ornithoptera paradisea Staudinger, 1893 (Lepidoptera, Papilionidae). Transactions of the Lepidopterological Society of Japan 49(2): 135-146. Full paper

External links

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