Mites associated with world geotrupid beetles (Coleoptera: Geotrupidae)

The associations between mites and Geotrupidae (Coleoptera) are summarized. A total of 168 mite species have been found on 78 species of Geotrupidae. The mites belong to the Astigmata (17 species), Mesostigmata (104), Ixodida (2), Oribatida (1) and Trombidiformes (44). Among Mesostigmata, most species were in the Macrochelidae (36), Eviphididae (21), Parasitidae (16) and Leptolaelapidae (15); among Trombidiformes in the Athyreacaridae (19), Pygmephoridae (13) and Microdispidae (6); and in the Astigmata in the Acaridae (11) and Histiostomatidae (5). The largest numbers of mite species were collected from Anoplotrupes stercorosus (48), Geotrupes spiniger (40), G. stercorarius (35), Trypocopris verenalis (21), G. mutator (13) and Typhoeus typhoeus (10). Alliphis halleri (8 hosts), Macrocheles glaber (8), Sancassania geotruporum (8) and Geotrupacarus mycotrupetes (7) were carried by the largest number of beetle species. None of the mite species found on Bolboceratinae (38 species) has ever been found on Geotrupinae (145 species) (and vice versa). The relationships between mites and Geotrupidae are best known in Europe. Most species were found in Poland (30), Slovakia (24), Russia (24) and Ukraine (23).