This widely distributed Asian species is found in northern South Asia, southern and central China, and Southeast Asia. In South Asia, it has been recorded in Nepal, Bhutan and northeastern India at elevations of 3,000 to 4,000 m asl (Molur et al. 2005). It is widespread in China, where it has been recorded from Yunnan, Sichuan, Guizhou, Xizang, Hunan, Hubei, Shaanxi and Gansu (Smith and Xie 2008). In Southeast Asia, this species is widespread throughout its range in Myanmar, Viet Nam, Lao PDR (Evans et al. 2000), Malaysia (Peninsular Malaysia, and Sabah and Sarawak), Thailand, and Indonesia (Sumatra and Java). In Southeast Asia, it is found at elevations between 1,000 and 4,000 m asl (Peninsular Malaysia).