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ichneumon fly

American  
[ik-noo-muhn-flahy, ‐-nyoo‐] / ɪkˈnu mənˌflaɪ, ‐ˈnyu‐ /
Or ichneumonfly

noun

  1. any of numerous wasplike insects of the family Ichneumonidae, the larvae of which are parasitic on caterpillars and immature stages of other insects.


ichneumon fly British  

noun

  1. 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

Etymology

Origin of ichneumon fly

First recorded in 1705–15

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But the conduct of the ant, and of some species of the ichneumon fly in the incubation of their eggs, is equal to any exertion of human science.

From Zoonomia, Vol. I Or, the Laws of Organic Life by Darwin, Erasmus

The numerous small worm-like creatures often found are the caterpillar stages of another insect, an ichneumon fly, which laid its eggs under the skin of the tussock caterpillar.

From A Guide for the Study of Animals by Lucas, Frederic

There are two species of spiders and a species of ichneumon fly that destroy them.

From Scientific American Supplement, No. 803, May 23, 1891 by Various

Many of the insect-feeding birds commit fearful havoc among their larv�, and often chase the perfect insects on the wing, but perhaps their greatest enemy is the ichneumon fly.

From Butterflies and Moths (British) by Furneaux, William S.

"If you found an ichneumon fly there," retorted Boomly, "you probably hatched it in mistake for a butterfly!"

From Police!!! by Hutt, Henry

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