Abstract: Three new species of the genus Oedaleus Fieber, 1853 from Taiwan, China are described in this paper. Oedaleus xiai sp. nov. differs from all known species of the genus by the tegmina shorter, just reaching the end of hind femur. Oedaleus kaohsiungensis sp. nov. is similar to Oe. formosana (Shiraki, 1910), but differs from the latter by the hind femur with black band on inner side and hind tibia yellowish brown, not red. Oedaleus nantouensis sp. nov. is similar to Oe. formosana (Shiraki, 1910), but differs from the latter by eye larger, vertical diameter almost equal to subocular furrow and interspace of mesosternum wider, minimum width 1.8 times length. Oedaleus nantouensis sp. nov. is also allied to Oedaleus kaohsiungensis sp. nov., but differs from the latter by hind femur red on lower side and hind tibia red. A key to all 13 known species of the genus from China is provided. Type specimens are deposited in the National Museum of Natural Science, Taichung, Taiwan, China.

Key words: rthoptera, Oedipodidae, Oedaleus, new species, China