Sarcoptiformes plumicoles (Freyanidae) parasites de l oie pie Anseranas semipalmata Latham. Four genera of feather mites including five species are restricted to Anseranas semipalmata, the magpie goose of northern Australia and southern New Guinea. These taxa are (re)described and figured: Allojreyana n. g. for A. oxygonata n. sp.; Dobyella n. g. for D. longipalpa n. sp.; Freyanopsis Dubinin 1950 for F. decidilatatusetae Dubinin 1950 and F. periproctus n. sp.; Pelecymerus n. g. for P. tetragonus n. sp.