Three new species of the subgenus Otocepheus (Acrotocepheus) (Acari, Oribatida, Otocepheidae) from China

Three new species of subgenus Otocepheus (Acrotocepheus): O. (A.) digitatus sp. nov., O. (A.) multigranulatus sp. nov., and O. (A.) occultatus sp. nov. are proposed and described based on adult material collected from China, and O. (A.) duplicornutus Aoki, 1965 is reported in China for the first time. A key to Chinese species of the subgenus Acrotocepheus is provided