Distribution. S & SE Asia, NE India S and E of the Brahmaputra River (Assam, Arunachal Pradesh, Meghalaya, Nagaland, Manipur, Mizoram, and Tripura states), SW China S of 25° N (Yunnan, Guizhou, Guangxi, and Guangdong provinces), N Myanmar, Bangladesh, Thailand, Laos, Cambodia, and N Peninsular Malaysia where it could be a recent colonizer dispersed from S Thailand as recently as 1959; it may be now extinct in Bangladesh where it was last recorded in 1982 and 1989. Known records are, at present, concentrated along N and S margins ofits distribution, and it is rare or absent in the C Indochinese Peninsula, where deciduous forests predominate. The species has been introduced into Hong Kong.