Gallfly

2 definitions found

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

  Gallfly \Gall"fly`\, n.; pl. {Gallflies}. (Zool.)
     An insect that deposits its eggs in plants, and occasions
     galls, esp. any small hymenopteran of the genus {Cynips} and
     allied genera. See Illust. of {Gall}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  gallfly
       n 1: small solitary wasp that produces galls on oaks and other
            plants [syn: {gall wasp}, {cynipid wasp}, {cynipid gall
            wasp}]
       2: fragile mosquito-like flies that produce galls on plants
          [syn: {gall midge}, {gall gnat}]
       3: any of various insects that deposit their eggs in plants
          causing galls in which the larvae feed