Rhacophorus Kuhl and Van Hasselt 1822

Current key to the endemic species of Rhacophorus occurring on Sulawesi and its adjacent islands 1a. Bony ridges on the dorsal area of the head present........................................................... 2 1b. Bony ridges on the dorsal area of the head absent............................................................ 3 2a. Presence of four strong and pointed bony ridges on the dorsum of the head................................. R. georgii 2b. Low U-shape bony ridges filled with bony grains on the intraorbital region, and one above each tympanum..................................................................................................... R. rhyssocephalus 3a. Fingers half webbed................................................................................... 4 3b. Finger less than half webbed................................................................... R. edentulus 4a. Presence of tubercles on cloaca.................................................................. R. boeadii 4b. Absence of tubercles on cloaca................................................................. R. monticola