Myrmedoniini (Coleoptera, Staphylinidae, Aleocharinae) Associated with Army Ants (Hymenoptera, Formicidae, Ecitoninae) in Florida

J. H. Frank, M. C. Thomas


Three species of ecitophilous myrmedoniine beetles (Microdonia nitidiventris (Brues), M. occipitalis Casey, and Ecitoxenidia alabamae Seevers) are reported from Florida (U.S.A.) for the first time. A new genus and species, Ecitocala rugosa Frank, with affinities to the Central American genus Ecitosius Seevers, is described. A habitus illustration is provided for adults of M. occipitalis, E. alabamae and E. rugosa, while diagnostic structures of E. rugosa are illustrated.

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