| abstract | This paper deals with five new species of torrenticolid water mites (Acari, Hydrachnidia, Torrenticolidae) from Hainan Island, China, i.e. Monatractides cuspiscoxer sp. nov., M. jini sp. nov., M. vietusacoxer sp. nov., Torrenticola postfusina sp. nov. and T. hainanensis sp. nov.. Detailed descriptions for these new species and a modified key to all species of Torrenticolidae in China are provided. |