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Notes: Grandiclavula gen. nov., G. spatulata sp. nov. and Oriencyrtus liaoi sp. nov. are described with scanning electron micrographs. Grandiclavula gen. nov. is separated from the related genera by its strongly compressed flagellum, weakly concave facial transverse margin and fine striated-reticulate sculpture on dorsum. G. spatulata and O. liaoi are parasitoids of Eriococcus lagerstroemiae [Acanthococcus lagerstroemiae] and Eulecanium giganteum, respectively. All type specimens (except one paratype in NHM) are deposited in the Institute of Zoology, Chinese Academy of Sciences, Beijing, China.