Tuesday, July 14, 2020

Golden Birdwing- India's largest butterfly

Golden Birdwing
(Troides aeacus)

The Golden Birdwing is a large tropical butterfly belonging to the swallowtail family.

Conservation status: Vulnerable 

Scientific Classification:
Kingdom: Animalia 
Phylum:   Arthropoda
Class:      Insecta
Order:      Lepidoptera 
Family:    Papilionidae
Genus:    Troides
Species:  T. aeacus

                         Caterpillar of golden birdwing

It has a wingspan of reaching about 15 - 16cm (5.9 - 6.3in). In the male, the forewings are black, with veins bordered by whitish colour, while the hindwings are bright yellow. The female are double the size of the males and have dark brown or black wing. They mainly feed on Aristolochia and Thottea species of plants.

   
Wingspan of female: 194mm (19.4cm)
Wingspan of male:     106mm (10.6cm)
 
It is the largest butterfly species found  in  the Indian Subcontinent. It is found in northern India, Nepal, Manmar (Burma), China, Thailand, Laos, Vietnam, Taiwan, Cambodia, peninsular Malaysia and Indonesia.

        Largest specimen of Golden Birdwing 

It has a wingspan of 194mm (19.4cm). The specimen is present in Butterfly Research Centre at Bhimtal, Uttarakhand, India.

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