Chinese Akkaia Takahashi is reviewed in this paper. Akkaia pseudopolygoni Qiao, Jiang and Ren is here described as new to science. Based on checking the holotype, Akkaia ouraplax Zhang, Chen, Zhong and Li, 1999 should be replaced in the genus Trichosiphonaphis Takahashi. Akkaia is represented by four species in China, A. odaiensis Takahashi, 1961, A. polygoni Takahashi, 1919, A. taiwana Takahashi, 1933 and A. pseudopolygoni Qiao, Jiang and Ren, NEW SPECIES. Key to species, distribution, host plants and examined material are provided. Morphological description and figures of new species are provided, too. All specimens studied, including types are deposited in Zoological Museum, Institute of Zoology, Chinese Academy of Sciences and Department of Entomology, British Natural History Museum.
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