blackfly
NounWordNet 3.0
Noun (2)
- blackish aphid that infests e.g. beans and sugar beetsSynonyms: bean aphidAphis fabae
- small blackish stout-bodied biting fly having aquatic larvae; sucks the blood of birds as well as humans and other mammalsSynonyms: black flybuffalo gnat
Webster's Dictionary (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]