from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A black or dark green aphid that is a common pest of agricultural crops.
  • n. Any of various small black bloodsucking flies of the family Simuliidae.


Sorry, no etymologies found.


  • Noseeums are a particularly nasty, and tiny, species of 'blackfly' which inhabit northern woodlands.

    Think Progress

  • Like a looming cloud, I sense the impending return of the mosquito, the blackfly, and the bane of my rural existence, the moosefly.

    Rain, Rain, Go Away

  • Agricultural activities occur but the area has been less modified by this due mainly to the presence of the blackfly Simulium sp. which causes river blindness and has tended to discourage settlement and encroachment.

    Comoé National Park, Côte d'Ivoire

  • She evokes the futile battle against insects: The pages of my notebook tell their own story, encrusted with flattened mosquito and blackfly corpses and splotches of my own blood.

    Two books on the Arctic

  • Sweat bees and some kind of bee-like blackfly, plus the moths and butterflies that come in waves.

    Bees In My Easter Bonnet

  • If any blackfly remain you can jet them off with a water spray.

    Guessing Game-A Guest Post « Fairegarden

  • I have read about blackfly, but have never actually seen any here.

    Guessing Game-A Guest Post « Fairegarden

  • Since we didn't have many lobsters up north, I always grew up thinking the state bird was the blackfly...and that was also the state bug....oh well.

    You Can't Get There from He-ah

  • I'm afraid I've never heard of blackfly or greenfly, but I do know that spraying soapy water on the plants is a good way to discourage pests.

    Plants are Flowering: 2008 Garden Update #5

  • Also, our garden seems to be the home for all the blackfly and greenfly in England, so the plants often get overwhelmed.

    Plants are Flowering: 2008 Garden Update #5


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