Description of two new species of the genus Parathyas Lundblad, 1926 (Acari: Hydryphantoidea: Hydryphantidae: Euthyadinae) from China
Abstract
Two species, Parathyas weichangensis Zhong sp. nov. and Parathyas jinghongensis Zhong sp. nov. are described and illustrated in detail as new species to science. These specimens were collected from Weichang County, Chengde City, Hebei Province and Jinghong City, Yunnan Province, China, respectively.
References
Cook D.R. 1959. Studies on the Thyasinae of North America (Acarina: Hydryphantidae). The American Midland Naturalist 62 (2): 402–428. https://doi.org/10.2307/2422535
Di Sabatino A., Gerecke R., Gledhill T. & Smit H. 2010. Chelicerata: Acari II. Süßwasserfauna von Mitteleuropa 7/2-2: 1–234. Spektrum Akademischer Verlag, Heidelberg.
Goldschmidt T. 2007. Studies on Latin American water mites of the genus Torrenticola Piersig, 1896. (Torrenticolidae, Hydrachnidia, Acari). Zoological Journal of the Linnean Society 150 (3): 443–678. https://doi.org/10.1111/j.1096-3642.2007.00305.x
Gu X.Y., Li H.T., Jin D.C. & Guo J.J. 2021. Collection and preservation of water mites and preparation of slide specimens. Bio-101: e1010676. [In Chinese.]. https://doi.org/10.21769/BioProtoc.1010676
Jin D.C. 1997. Hydrachnellae-morphology Systematics a Primary Study of Chinese Fauna. Guizhou Science and Technology Publishing House, Guiyang. [In Chinese.]
Smit H. 2020. Water mites of the world, with keys to the families, subfamilies, genera and subgenera (Acari: Hydrachnidia). Monografieën van de Nederlandse entomologische Vereniging 12: 1–774.
Tuzovskij P.V. 2007. Water mites of the genus Thyas Koch, 1835 (Acariformes: Thyadidae) in Russia. Acarina 15 (2): 173–259.
Zhang S.M. 1998. Zoogeographical Regionalization of Agricultural and Forest Insects in China. China Agriculture Press, Beijing. [In Chinese.]
Zhang Y.H., Li H.T., Hu Z.Y. & Guo J.J. 2025. Two new species in the genus Atractides Koch, 1837 (Acari: Hydrachnidiae: Hygrobatidae), with the first descriptions of the female of two species from China. European Journal of Taxonomy 976: 47–76. https://doi.org/10.5852/ejt.2025.976.2775
Zhong H., Gu X.Y., Li P., Hu Z.Y. & Guo J.J. 2025. The first record of the water mite genus Parathyas Lundblad, 1926 (Acari: Hydryphantoidea: Hydryphantidae) from China with description of two new species. Systematic and Applied Acarology 30 (2): 233–242. https://doi.org/10.11158/saa.30.2.4
Copyright (c) 2026 Hao Zhong, Jian-Jun Guo, Dao-Chao Jin, Hai-Tao Li, Xin-Yao Gu

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