gallfly

noun
gall·​fly | \ ˈgȯl-ˌflī How to pronounce gallfly (audio) \

Definition of gallfly

: an insect (such as a gall wasp) that deposits its eggs in plants causing the formation of galls in which the larvae feed

First Known Use of gallfly

circa 1834, in the meaning defined above

History and Etymology for gallfly

gall entry 4 + fly entry 4

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The first known use of gallfly was circa 1834

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