This species is found in Bangladesh (Ashan, 1989), SE China (Wang and Fuller, 2001, 2003), Lao PDR (Duckworth, 1997), Peninsular Malaysia (Lim, 2001, Wells and Francis, 1988, Laidlaw pers. comm.), Myanmar (Than Zaw et al. in press.), Lao PDR, Nepal, North eastern India, Taiwan, Thailand, Viet Nam and Cambodia (Wilson and Reeder, 2005, Van Rompaey, 2001). It is rarely found on high mountains (Van Rompaey, 2001), but it has been collected at 1650 m (Kurseong, Bengal, India; Pocock, 1941). From 16 records at 10 sites in Lao PDR, 14 are from over 450 m, suggesting that this species occurs, at least in south and central Lao PDR, mostly in hills and mountains (Van Rompaey, 2001). In Cambodia and Viet Nam, its range extends down to the plains (150 m) and to sea level in Hong Kong.
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