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ichneumon fly

or ichneumonfly

[ik-noo-muh n-flahy, ‐nyoo‐] /ɪkˈnu mənˌflaɪ, ‐ˈnyu‐/
any of numerous wasplike insects of the family Ichneumonidae, the larvae of which are parasitic on caterpillars and immature stages of other insects.
Origin of ichneumon fly
First recorded in 1705-15 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for ichneumon fly
Historical Examples
  • The eggs of the ichneumon fly hatch first and feed upon the eggs of the spider.

    Spiders Cecil Warburton
  • It was hanging from a thread, down which the ichneumon fly was seen to crawl.

    Spiders Cecil Warburton
  • So first he sneaked in here and put an ichneumon fly in my breeding-cage.

    Police!!! Robert W. Chambers
  • The ichneumon fly as well has been watched, and all its wicked acts recorded.

    Cornish Characters S. Baring-Gould
  • Apparently the ichneumon fly (Ophion obscurum), and not the true sawfly, is meant.

    A Thin Ghost and Others

    M. R. (Montague Rhodes) James
  • And then comes some secondary parasite, some ichneumon fly, and lays an egg within this grub, and behold!

    When the Sleeper Wakes Herbert George Wells
  • I examined numbers of them, and found the scarlet egg of the ichneumon fly under many of the shards.

  • The ichneumon fly, Fig. 103, is such a parasite; it destroys millions of insect pests.

    Wood and Forest William Noyes
  • There are two species of spiders and a species of ichneumon fly that destroy them.

British Dictionary definitions for ichneumon fly

ichneumon fly

any hymenopterous insect of the family Ichneumonidae, whose larvae are parasitic in caterpillars and other insect larvae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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