This widely distributed Asian species is found in South Asia, southern and central China, and mainland Southeast Asia. In South Asia, it is seemingly patchily distributed in India and Sri Lanka. In China, it has been recorded from Hainan Island, Yunnan, Sichuan and Shaanxi (Smith and Xie 2008). It is present on the island of Taiwan. In Southeast Asia, it is distributed over much of the mainland, being only absent from the Malay Peninsula. In South Asia it has been recorded from 500 to 2,000 m asl; in Southeast Asia it is known up to 1,000 m asl (Duckworth 1998).