Diard's blind snake, Indochinese blind snake, Large blind snake, Large worm snake
Argyrophis diardii, known commonly as Diard's blind snake, the Indochinese blind snake, the large blind snake, or the large worm snake, is a species of harmless snake in the family Typhlopidae. The species is endemic to South Asia and Southeast Asia. There are two recognized subspecies.
Both the specific name, diardii, and the common name, "Diard's blindsnake", are in honor of French naturalist Pierre-Médard Diard.
A. diardii is distributed in India (Jalpaiguri-West Bengal, as far west as Dun Valley in Assam), Bangladesh, Myanmar, Thailand, Laos, Cambodia, Vietnam, the Malay Peninsula, Nias Island, Sumatra, Web Island (off northwest Sumatra), Bangka, and Borneo.