The present paper gives information about 61 dolichopodid species distributed in the Balkan Mountains, Bulgaria and Serbia. Twenty-two species, collected from 13 localities, are new to Mountains seven of them (Dolichopus longicornis, Hercostomus chetifer, Medetera pallipes, M. muralis, Neurigona quadrifasciata, N. pallida Sciapus costea) fauna Bulgaria. pallipes costea also Peninsula. Thus, tot...