[Phoresy and hyperparasitism in Ornithomya (Diptera, Hippoboscidae) in the Federal Republic of Germany].
243 louse-flies of the genus Ornithomya were examined for mites and Mallophaga. 12 out of 71 O. fringillina and 4 out of 153 O. avicularia were infested by Microlichus avus. Myialges uncus were found on 5 O. avicularia. One O. avicularia was infested by Myialges pari. Mallophaga were found on 8 O. avicularia. The following species were identified: Allobruelia abluda, A. amsel, Turdinirmus merulensis, Trichodectes sp., Brueelia sp.