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Definition of "gallfly" []

  • Any of various small insects, such as the gall midge or gall wasp, that deposit their eggs on plant stems or in the bark of trees, causing the formation of galls in which their larvae grow. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "gallfly" in a sentence
  • "What will the puppet show need to include for students to understand the life of a goldenrod gallfly, for example?"
  • "(Odontoteomen obesus), white grubs (Halorachia spp.), and the gallfly"
  • "We see this even in so trifling a fact as that the same poison often similarly affects plants and animals; or that the poison secreted by the gallfly produces monstrous growths on the wild rose or oak-tree."
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