Abstract
The Fedrizziidae are the most diverse group of mites associated with passalid beetles in Australia. Herein, I re-diagnose the family, genera and species, and describe ten new species from Australia, Indonesia and Thailand: Fedrizzia abradoalves sp. nov., F. gilloglyi sp. nov., F. parvipilus sp. nov., Neofedrizzia bunyas sp. nov., N. gordoni sp. nov., N. helenae sp. nov., N. imparmentum sp. nov., N. janae sp. nov., N. lepas sp. nov. and N. sulawesi sp. nov. Fedrizzia strandi (Oudemans), Neofedrizzia leonilae Rosario & Hunter, Neofedrizzia tani Pope & Chernoff and Neofedrizzia vitzthumi (Oudemans) are re-described. Neofedrizzia bicornis Karg is a junior synonym of Neofedrizzia scutata Womersley, which is also transferred to Fedrizzia. Fedrizzia unospina Karg is a junior synonym of Fedrizzia carabi Womersley. Fedrizzia gloriosa Berlese is transferred to Neofedrizzia. The specimens described by Womersley as Fedrizzia sp. cf. grossipes represent specimens of Fedrizzia sellnicki Womersley. Parafedrizzia buloloensis Womersley is recorded from Australia for the first time. A key to adult male and female Fedrizziidae and a summary of host records is provided.References
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