Abstract
Three new species of Sycophila Walker (Hymenoptera, Eurytomidae), S. hunanensis sp. nov., S. melanoloma sp. nov. and S. melanopoda sp. nov., are reported and described from mainland China. Meanwhile, Plagiotrochus glaucus Melika & Tang, 2011 (Hymenoptera, Cynipidae) is reported as a new host record of the genus Sycophila. A key to Chinese Sycophila and illustrations of external features of the species are provided.