blackfly

2 definitions found

blackfly - Collaborative International Dictionary of English v.0.48 :

  black fly \black fly\, blackfly \blackfly\, (Zool.)
     1. In the United States, a small, venomous, two-winged fly of
        the genus Simulium of several species, exceedingly
        abundant and troublesome in the northern forests; --
        called also buffalo gnat. The larv[ae] are aquatic. It
        sucks the blood of birds as well as humans and other
        mammals.
        [WordNet 1.5 + WordNet 1.5]
  
     2. A black plant louse, as the bean aphis (Aphis fab[ae]),
        which infests e. g. beans and sugar beets; -- called also
        bean aphid.
        [WordNet 1.5]

blackfly - WordNet (r) 2.1 (2005) :

  blackfly
      n 1: blackish aphid that infests e.g. beans and sugar beets
           [syn: blackfly, bean aphid, Aphis fabae]
      2: small blackish stout-bodied biting fly having aquatic larvae;
         sucks the blood of birds as well as humans and other mammals
         [syn: blackfly, black fly, buffalo gnat]