New and interesting records of Diptera on glacial sand deposits in Silesia (NE Czech Republic). Part 4 – Calyptratae

Records of 15 interesting species belonging to four families of Diptera Calyptratae, viz., Anthomyiidae (4 species), Muscidae (3 species), Sarcophagidae (3 species) and Tachinidae (5 species) from glacial sand deposits in the Czech Silesia (NE Czech Republic) and S Poland are presented and their association with sandy habitats discussed. A total of 14 species are recorded from the Czech Silesia for the first time, 10 are new additions to the fauna of Moravia of which 6 are also new for the whole of the Czech Republic. Two species (both Tachinidae) represent first records from Poland and Egle anderssoni Michelsen, 2009 from the Závada sand-pit is the first from Central Europe. The affinity of the recorded species to sandy habitats is discussed. One of the here reported species is classified as psammobiont (Delia coarctoides Michelsen, 2007, Anthomyiidae) and 6 species are considered psammophilous or probably psammophilous, viz., Coenosia strigipes Stein, 1916 (Muscidae), Metopia argentata Macquart, 1850, M. staegerii Rondani, 1859, M. tshernovae Rohdendorf, 1955 (all Sarcophagidae), Labigastera pauciseta (Rondani, 1861) and Thecocarcelia acutangulata (Macquart, 1850) (both Tachinidae).