Himalayan Butterfly

- Himalayan butterfly known as Golden Birdwing (Troides aeacus) has been discovered as India’s largest butterfly after 88 years.

- The female was recorded from Didihat in Uttarakhand, the male was from the Wankhar Butterfly Museum in Shillong, Meghalaya.

- Earlier, the largest Indian butterfly that was recorded in 1932 was an individual of the Southern Birdwing (Troides minos), which was then treated as a subspecies of the Common Birdwing (Troides helena).

- The only measurement used in the study of Lepidoptera is wingspan in which butterflies are measured from the wing base to the tip.