New records of water mites of the family Sperchontidae Thor, 1900 from China (Acari, Hydrachnidia), with descriptions of two new species

Abstract

Five species of water mites of the family Sperchontidae Tor, 1900 are reported from China. Tw o of them are new to science, Sperchon (Sperchon) orbipatella sp.n. and S. (Sperchon) urumqiensis sp. n., and the other three are new to China, i.e., Sperchon (Palpisperchon) nikkoensis Imamura, 1976, S. (Sperchon) sounkyo Imamura, 1954 and Sperchonopsis (Sperchonopsella) whiteshellensis Conroy, 1991. Te frst descriptions of the female of S. nikkoensis and the male of S. sounkyo are also given. Te subgenus Sperchonopsella Conroy is new to the fauna of China. © Xu Zhang, Dao-Chao Jin.