Answer - Himalayan butterfly named Golden Birdwing is considered to be India’s largest butterfly.
The Himalayan butterfly named “Golden Birdwing, scientific name -(Troides Aeacus)” has surpassed the “Southern Birdwing scientific name - (Troides Minos)” after 88 years to become the largest butterfly in India. Golden Birdwing has a wingspan of 194 mm and the female of the species is marginally larger than the Southern Birdwing (190 mm) and the male Golden Birdwing is much smaller at 106 mm. With a wingspan of 194 mm, the female of the species is marginally larger than the Southern Birdwing (190 mm) that Brigadier William Harry Evans, a British military officer, and lepidopterist, had recorded in 1932. But the male Golden Birdwing (Troides Aeacus) is much smaller at 106 mm.
Which is India's Largest Butterfly?
The Himalayan butterfly named golden birdwing is now India’s largest butterfly. The female Golden Birdwing was recorded from Didihat in Uttarakhand, the largest male was from the Wankhar Butterfly Museum in Meghalaya capital Shillong.