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A brief introduction of Chinese Limnesiidae taxonomy is provided. Adults of two new species, Limnesia (Limnesia) lupingae Li & Guo sp. nov. and Limnesia (Limnesia) macrophthalma Li & Guo sp. nov., from Heilongjiang and Hubei provinces respectively, are described in detail. Subtle structures are recorded with scanning electron micrographs. In addition, deutonymphs of two new species are also described in detail and compared with the adults in discussion. [ABSTRACT FROM AUTHOR]

Caeculisoma semispinus Xu & Jin sp. nov. is described and illustrated based on larvae ectoparasitic on Typhlocybinae (Hemiptera: Cicadellidae) from Chongqing Municipality, Hubei Province and Hunan Province, China. A key to the larval species of the genus Caeculisoma of the world is presented. [ABSTRACT FROM AUTHOR]

This paper further enriches the taxonomic study of Feltriidae Viets, 1926 in China since it was first reported by Yi & Jin in 2011. Seven species, Feltria hanmaensis sp. nov., Feltria pesici sp. nov., Feltria pseudoparva sp. nov., Feltria expendis sp. nov., Feltria yinjiangensis sp. nov., Feltria neoflatheadensis sp. nov. and Feltria glandulosa sp. nov., are described as new to science; Feltria minuta Koenike, 1892 is new to the Chinese water mite fauna. In addition, some slit organs of these species are photographed by SEM (scanning electron microscope) and illustrated in detail by optical microscope to provide material for exploiting valuable character in specific identification. [ABSTRACT FROM AUTHOR]

Three new aturid species are described and illustrated from China: Woolastookia allobasilicalabricasp. nov., and Paraxonopsis suturasp. nov. in the Axonopsinae, and Aturus jixiensissp. nov. in the Aturinae. The genus Paraxonopsis is a newly recorded genus for the Chinese fauna. Woolastookia allobasilicalabricasp. nov. is the third species and Aturus jixiensissp. nov. is the second species in their respective genera from China. A key to the Chinese fauna of Aturidae is provided in this paper. Meanwhile, the diagnosis of Paraxonopsis is revised. [ABSTRACT FROM AUTHOR]

Two new species of Trachygamasus Berlese, T. minutus sp. nov. Yao & Jin and T. similis sp. nov. Yao & Jin based on adult males and females, and the male of T. multisetus Yao, Jin & Zhang, 2019 are described from China. A key to the Trachygamasus species of China is presented. [ABSTRACT FROM AUTHOR]