black fly(redirected from Black flies)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Any of various small, dark-colored biting flies of the family Simuliidae, the larvae of which attach to rocks in streams and other flowing waters. Also called buffalo gnat.
black flyOne of various small, hump-backed, dark coloured biting flies of the family Simuliidae . The black fly Simulium damnosum transmits ONCHOCERCIASIS.
a term which covers a number of genera and species. In some areas in the summer months they cause a great deal of insect worry to animals. The annoyance may be sufficiently severe to result in animals being injured or even killed while stampeding. They also play a part in the transmission of Onchocerca spp. Called also buffalo gnat, sandfly, cnephia, Austrosimulium pestilens, A. bancrofti. See also simuliumarticum, simuliumornatum.