This species is endemic to the southeastern Philippines. It is restricted to the greater Mindanao faunal region, where it is found on Bohol, Dinagat, Leyte, Mindanao (Davao del Norte, Davao del Sur, Misamis Occidental, Misamis Oriental, South Cotabato, and Zamboanga del Norte, Zamboanga del Sur provinces), and Samar (Heaney et al. 1998). It is also reported from Basilan (Lawrence 1939), Biliran, Maripipi (Rickart et al. 1993), and Mindanao in Bukidnon province (Sanborn 1953).
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