[Further contribution to the occurrence of black flies (Diptera, Simuliidae) in East Germany]

A further contribution to the occurrence of Simuliidae (Diptera) in the GDR. The cause of the damage to grazing cattle in the area of Waldheim - Heiligenborn in May 1971 was Boophthora erythrocephala. In the area 6 species of Simuliidae were proved. The history of the occurrence of Simuliidae in the GDR has been completed.