Contribution to the family Pseudocheylidae (Acari, Trombidiformes) from Thailand: one new species and one new record ofAnoplocheylusBerlese, with observations on their ontogeny

We describe a new species of pseudocheylid mite in the genus Anoplocheylus Berlese, Anoplocheylus corticicola sp. nov., based on adults and immatures, and record the occurrence of A. aegypticus Baker & Atyeo, 1964 from Thailand. Immature (deutonymphal) dimorphism in A. corticicola sp. nov. is reported for the first time in Pseudocheylidae. The discovery of pharate females of A. corticicola sp. nov. in deutonymphal exuviae indicates that the...