Troides aeacus
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| Troides aeacus C&R Felder, 1860 |
Golden Birdwing Troides aeacus is a beautiful and large butterfly belonging to the Swallowtail (Papilionidae family).
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[edit] Description
Closely resembles Troides helena cerebrus and differs as follows:—
Upper side, fore wing: the pale adnervular streaks more prominent, in some specimens extended into the cell along the outer half of the subcostal and of the median nervules.
Hind wing: the cone-shaped terminal black markings in interspaces 2, 3, and 4 more or less broadly bordered on the inner side by a dusky area that is irrorated with blackish scales; the black on the costal margin narrower, not extended below vein 8.
Underside similar to the upperside, but the dusky black borders to the cone-shaped marks in interspaces 2, 3, and 4 wanting.
Antennae, head, thorax, abdomen and abdominal fold as in Troides helena cerebrus, but the abdomen beneath with two rows of black spots.—
In the female the differences from cerebrus are
Fore wing: the pale adnervular streaks very broad, very prominent and extended well into the cell.
Hind wing: the basal third of the cell and of interspace 2 black, the middle portion of the latter yellow anteriorly, bufty-white posteriorly ; the posterior half of the discal area between the postdiscal spots themselves and between them and the terminal cone-shaped markings more or less irrorated with blackish scales; lastly, the black in interspace 7 interrupted by an inner triangular and an outer small yellow spot.
Antennae, head, thorax and abdomen as in cerebrus, but the abdomen beneath with two lateral and two median rows of black spots.[1]
[edit] Range
It is found in Northern India, Nepal, Myanmar, China, Thailand, Laos, Vietnam, Taiwan, Kampuchea, peninsular Malaysia and Indonesia.
[edit] Status
It is generally common and not threatened though it is classified as Vulnerable. Uncommon in Sumatra. May require protection in peninsular Malaya.[2]
[edit] Cited references
- ^ Bingham, C. T. 1907. Fauna of British India. Butterflies. Volume 2
- ^ Collins, N.M. & Morris, M.G. (1985) Threatened Swallowtail Butterflies of the World. IUCN. ISBN 2-88032-603-6
[edit] References
- Evans, W.H. (1932) The Identification of Indian Butterflies. (2nd Ed), Bombay Natural History Society, Mumbai, India
- Gay,Thomas; Kehimkar,Isaac & Punetha,J.C.(1992) Common Butterflies of India. WWF-India and Oxford University Press, Mumbai, India.
- Haribal, Meena (1994) Butterflies of Sikkim Himalaya and their Natural History.
- Kunte,Krushnamegh (2005) Butterflies of Peninsular India. Universities Press.
- Wynter-Blyth, M.A. (1957) Butterflies of the Indian Region, Bombay Natural History Society, Mumbai, India.
[edit] See also
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