Abstract: Six species of Leptomastidea are taxonomically studied from China. L. herbicola, L. rubra, L. shafeei are recorded from China for the first time. A key to Chinese species of Leptomastidea is given and photomicrographs are provided to illustrate morphological characters of the species. The specimens are deposited in the Institute of Zoology, Chinese Academy of Sciences, Beijing.

Key words: Hymenoptera, Encyrtidae, Leptomastidea, taxonomy, new record, China