Four new species of Hylcalosia Fischer are described and illustrated from China, i.e., H. carinata sp. nov., H. melasaraia sp. nov., H. poricrenulata sp. nov., and H. verticalis sp. nov. Hylcalosia sutchanica Belokobylskij, 1992, is a new record for China. A key to the known species of Hylcalosia Fischer is provided.
Keywords: Hymenoptera, Braconidae, Alysiinae, Alysiini, new record, new species, Oriental region, Palaearctic region, China.