New records of Xenanoetus species (Astigmata: Histiostomatidae) in Western Europe, and their association with pig carcasses

Abstract The genus Xenanoetus Mahunka, 1969, only described by the hypopial stage, is characterised an enlarged gnathosoma, presence of double claws in legs I, II and III addition to remarkably broadened femur genu I II, particularly visible lateral view. Only five species from this have been they are all northern hemisphere. Hypopi generally found as phoretic on Sphaeroceridae flies Hydrophilidae beetles. Until present, hypopi grandiceps reported Mongolia, Mahunka 1973. a pair arches pointing anteriorly posterior part gnathosoma. Here we report for first time X. Spain, second vestigialis. Both were association with carcass remains, lesser dung (Sphaeroceridae), which collected mixed deciduous forest near Atlantic coast. Additional new information morphological characteristics these species, well habitat requirements biology presented report.