This species is endemic to Sri Lanka, where it is known from one location each in Central Province (Kumbalaghamuwa), North Eastern Province (Kumana), Southern Province (Buttawa in Hambantota and Yala National Park) and Uva Province (Galge in Monaragala) (Phillips 1935; Molur et al. 2005; W.I.L.D.P.T.S. de A. Goonatilake in litt. 2005). It is found at about 1,000 m asl.