This species is present in northeastern South Asia, southern and central China, and mainland Southeast Asia. In South Asia, it has been recorded from mountainous regions of Nepal, Bhutan (distribution in this country is unclear) and northeastern India up to 4,000 m asl (Molur et al. 2005). In China it has been recorded from Hainan, Yunnan, Sichuan, Guizhou, Guangxi and Zhejiang (Smith and Xie 2008). In Southeast Asia, it has been recorded from Myanmar, northern Thailand, Lao PDR (only three localities known), Viet Nam and marginally in Cambodia.