gall·fly /ˈgɔlˌflaɪ/
五倍子蟲
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.
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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