Abstract Associations of insects that live in nests and burrows small mammals are relatively poorly explored. This work therefore tries to expand the knowledge about Diptera communities (Psychodidae Sphaeroceridae) two mammals, namely Micromys minutus (Pallas, 1771) Muscardinus avellanarius (Linnaeus, 1758). In Eurasian harvest mouse psychodid species one sphaerocerid species, while hazel dormo...