Distribution. NW Sulawesi (discontinuous range in Central Sulawesi Province), the N form occurs on the Isthmus of Palu from just W of the village of Tomini to the NE (c.120° 30° E), the coastlines of the Isthmus of Palu to the E and to the W,to the villages of Ampibabo and Marantale in the S (c.0° 30" S), the S form occurs in a very small area W to SW of Palu, around the type locality Uwemanje (0° 58' S, 119° 50' E). in Tarsiidae

Distribution. NW Sulawesi (discontinuous range in Central Sulawesi Province), the N form occurs on the Isthmus of Palu from just W of the village of Tomini to the NE (c.120° 30° E), the coastlines of the Isthmus of Palu to the E and to the W,to the villages of Ampibabo and Marantale in the S (c.0° 30" S), the S form occurs in a very small area W to SW of Palu, around the type locality Uwemanje (0° 58' S, 119° 50' E).