black fly








noun

  1. any of the minute, black gnats of the dipterous family Simuliidae, having aquatic larvae.

noun

  1. any small blackish stout-bodied dipterous fly of the family Simuliidae, which sucks the blood of man, mammals, and birdsSee also buffalo gnat

n.

  1. Any of various small dark humpbacked flies of whom the females are aggressive biters and serve as vectors in the transmission of onchocerciasis.
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