1. R.C Anderson . (2000 ) Nematode Parasites of Vertebrates. Their Development and Transmission , 2nd edn , pp. 363 -366 . CAB International, Wallingford.
2. G. Bachli, C.R. Vilela, S. Andersson Escher, and A Saura . (2004 ) The Drosophilidae (Diptera) of Fennoscandia and Denmark, Fauna Entomologica Scandinavica, Vol. 39 , pp. 80 -87 . Brill, Leiden.
3. O Duda, E. Lindner, and E. Nagele . (1934 ) Drosophilidae (Part 1). Die Fliegen der Palaarktischen Region (ed. by), pp. 1 -64 . [In German.] Nagele & Obermiller, Stuttgart.