S. Mahunka szerk.: Folia Entomologica Hungarica 46/2. (Budapest, 1985)

of Sosopol, 20.

VIII; 4 o : Vitosha Mt., 1000 m, 3.

VIII; 1 9 : 15.

VIII; 1 9 : 18.

VIII; 1 9 : 1800 m, 3.VIII; 1 9 : 15.

VIII. Aphanotrigonum bicolor Nartshuk, 1964 - 1 3 : 4 km of Sosopol, 20.vm. Trachysiphonella pumilio (Zetterstedt, 1848) - 2 3, 1 9 : Lozen, 600 m, 27. VIII; 1 9 ; Melnik, 10.VIII; 1 $ : Pirin Mt., Banderica National Park, 6.VIII. Trachysiphonella scutellata (v. Roser, 1840) - 1 S : Lozen 800 m, 18.

VIII; 5 3 : 600 m, 27. VIII; 1 9 ; Melnik, 10.VIII; 1 3 : Pirin Mt., Bansko National Park, 5.VIII; 1 S : 5 km of Sosopol, 21.VIII; 1 p : Vitosha Mt., 1800 m, 3.VIII; 1 S : 1000 m, 28.VIII. Tropidoscinls a

lbipalpis (Meigen, 1830) - 2 8, 1 9 : Lozen 800 m, 19.

VIR; 13 S, 10 9 : 600 m, 27.VIII; 11 8, 9 9 : Melnik, 10. VIII; 1 3 : Pirin Mt., Banderica National Park, 1800 m, 6. VIII; 2 3 : The surrounding of the cloister of Rozhen, 11.VIII; 1 9 : Vitosha Mt., 1800 m, 18.VIII; 1 9 : 1000 m, 28.VIII. Oscinella albiseta (Meigen, 1830) - 1 9 : Pirin Mt., Bansko National Park, 5.VIII. It occurs in mixed populations with the frit group, but can easily be distinguished by its whitish downy arista from the other species, which are very like each other and can easily be confused. Osçjne]la_frtt_ (Linnaeus, 1758) - 2 ex.j: Lozen, 800 m, 10. VIII; 26 ex.\: 600 m, 27.VIII; 22 ex.j: Melnik 10.VIII; 11 ex.|: Pirin Mt., Banderica National Park, 6.VIII; 2 ex.i: 8.VIII; 19 ex.|: 9. VIIÏ; 9 ex.|: Pirin Mt., Bansko National Park, 5.VIII; 6 ex.,: The surrounding"of the chloster of Rozhen, 11.VIII; 28. ex.|: 5 km of Sosopol, 21.

VIR; 25. ex.

|: 22.vni; 9 _ex.|: 6 km of Sosopol, 26.VIII; 87 ex.j

: Vitosha Mt., 1800 m, 3.VIII; 36 ex_.|: 15.Vni; 16 exj: 18~VTH; 19 _ex.|: 1000 m, 28. VIÜ. Under the name frit we mean the group of some closely related species. Their exact separation, at the present state of our knowledge, Is not possible. As our data prove they are very common. Camarota curvipennls (Latreille, 1805) - 1 8: Vitosha Mt., 1000 m, 15.VIII; 1 9 : Melnik, 10. VIII. Meromyza femorata Macquart, 1835 - 2 3, 1 9: Lozen, 800 m, 19.

VIII; 1 9 : 600 m, 27. VIII; 15, 1 9 : Melnik, 10.

VIII; 78, 6 9 : 5 km of Sosopol, 21.

VIII; 12 3 , 11 p : 22.VIH; 6 5 : 23.VIÜ. Meromyza pratorum Meigen, 1830 - 1 8 : 5 km of Sosopol, 23.Vni. Meromvza variegata Meigen, 1830 - 1 9 : Lozen, 800 m, 19. VIII; 8 3" , 9 9 : 5 km of Sosopol, 21.

Vm; 13 S , 10 9 : 22.

VIII; 2 3 : 23.VHI; 7 8, 1 9 : 26.

VIII. Lasiosina cinctipes (Meigen, 1830) - 1 9 : Lozen, 600 m, 27. VIII; 1 8 : Pirin Mt., Banderica National Park, 1800 m, 6.VIII; 1 9 : Vitosha Mt., 1800 m, 3.Vin. Lasiosina nigripes Dely-Draskovits, 1977 - 1 p : Lozen, 800 m, 18.VnJ; 1 9 : 600 m, 27. VIII. Hitherto this species was known from Hungary only. Phvladelphus thalhammeri Becker, 1910 - 1 8 : Melnik, 18.vni; 1 9 : 11. VIII; 1 3

1 , 2 9 : Pirin Mt., Banderica National Park, 1800 m, 6.VIII; 1 8 : 4 km of Sosopol, 20.VIII; 1 9 : 6 km of Sosopol, 26.VIII. Diplotoxa messoria (Fallén, 1820) - 1 5 : Melnik, 10.VHI; 2 3 : Pirin Mt., Banderica National Park, 6.VIII; 1 9 : 4 km of Sosopol, 20.VHI. Cetema myopina (Loew, 1866) - 1 3 : Pirin Mt., Bansko National Park, 5. VIII; 1 3 : Vitosha Mt., 1800 m, 28.VIII. .Cetema neglecta Tonnoir, 1921 - 1 8 : Vitosha Mt. 1000 m, 15.

VIII. Cetema sp. - 1 9 : Vitosha Mt., 1000 m, 3.VIII. Chlorops geminata Meigen, 1830 - 2 3 : Pirin Mt., Banderica National Park, 9.Vin; 1 3 , 1 9 : Pirin Mt., Bansko National Park, 5.VIII. Chlorops hypostigma Meigen, 1830 - 3 S : Lozen, 600 m, 27.VIII; 1" 8 : Melnik, 10.VIII; 2 6 : 11.

VIII; 1 9 : Vitosha Mt. , 1800 m, 3.

VIII; 1 9 : 15.Vm. Chlorops interrupta Meigen, 1830 - 1 9 : Vitosha Mt., 1000 m, 18.VIII. Chlorops pumllionis (Bjerkander, 1778) - 1 9 : Lozen, 600 m, 27.VIII. Chlorops speciosa Meigen, 1830 - 1 9 : 5 km of Sosopol, 26.VIII. Chlorops troglodytes Zetterstedt, 1848 - 2 6, 1 9 : Lozen, 800 m, 19.

VIII; 2 9 : Lozen, 600 m, 27.VHI; 23 3* , 17 9 : Pirin Mt., Banderica National Park, 1800 m, 6.

VIII; 4 3, 1 9 : 8.

VIII; 8 3, 22 9 : 9.

VIII; 2 5 : 6 km of Sosopol, 26.

VIII; 66, 5 5 : Vitosha Mt., 1000 m, 15.VHI. Chlorops sp. 1. - 1 ex.: Vitosha Mt., 1800 m, 3.VHI; 11 ex.

j; 15.VHJ; 2 ex.,: 1000 m, 15.VHI. Chlorops sp. 2.-1 ex.: Lozen, 800 m, 10.VIII; 1 ex.: 15.VIII; 2 ex.j: 19.VHI; 57 ex.,: 600 m, 27.VHI; 1 ex.: Melnik, 10.VIII; 2 ex.,: Pirin Mt., Banderica National Park, 1800 m,