Blackfly

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

  blackfly
       n 1: blackish aphid that infests e.g. beans and sugar beets [syn:
             {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: {black fly}, {buffalo gnat}]