black fly

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black fly

or

blackfly

(blăk′flī′)
n.
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.
A Simulidium spp fly measuring 1–5 mm which sucks blood and causes haemorrhagic oozing papules, edema and lymphadenopathy which, in tropical Africa and Central and South America, is a vector for Onchocerca volvulus

black fly

One of various small, hump-backed, dark coloured biting flies of the family Simuliidae . The black fly Simulium damnosum transmits ONCHOCERCIASIS.

black fly

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.