This paper presents 58 new records of the family Dolichopodidae for Bulgaria, Montenegro, North Macedonia and European part of Turkey, collected from 37 localities. Seventeen species are recorded for the first time from Bulgaria, six of which are new to the Balkan Peninsula, 23 species for European Turkey, three of which are new to the entire territory of Turkey, seven species for Montenegro and 11 species for North Macedonia. A checklist of the Dolichopodidae of the Balkan Peninsula is provided. The total number of dolichopodids of the Balkan Peninsula is currently raised to 288 species.

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 the Balkan Mountains and seven of them (Dolichopus longicornis, Hercostomus chetifer, Medetera pallipes, M. muralis, Neurigona quadrifasciata, N. pallida and Sciapus costea) are new to the fauna of Bulgaria. Medetera pallipes and Sciapus costea are also new to the Balkan Peninsula. Thus, the total number of known species of the family Dolichopodidae for Bulgaria increases to 204.

Chrysotus hubenovi sp. nov. is described from the West Rhodope Mountains, Bulgaria. In addition, the records of 37 dolichopodid species are given for seven mountains or mountain massifs in Bulgaria. Sixteen species are recorded as new to the Pirin Mountains, four are new to the Lozenska Mountain, four are new to the Milevska Mountain, two are new to the Konyavska Planina Mountain, five are new to the Vitosha Mountain, five are new to the West Rhodope Mountains, and one species is new to the Belasitsa Mountain. The distribution of 210 dolichopodid species by the altitudinal zones and vegetation belts of Bulgaria is reviewed and briefly discussed.

Dvije vrste dugonogih muha (Rhaphium caliginosum Meigen i Medetera jacula (Fallén)) zabilježene su po prvi puta za Hrvatsku. S tim nalazima ukupni broj vrsta dugonogih muha za Hrvatsku iznosi 38 te rad donosi popis tih vrsta.