The distribution ranges from India (including the Andaman and Nicobar Islands where they occur even on remote islands like Narcondam), Sri Lanka, Kansu, Shansi, Korea, Malay Peninsula, Thailand, Burma, Ryu kyu Islands, Hainan, Philippines (Palawan, Balabac, Basilan, Tawi Tawi), Borneo, Sumatra east to Sulawesi where it occurs only in winter.