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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.

I examined numbers of them, and found the scarlet egg of the ichneumon fly under many of the shards.

From Through the Mackenzie Basin A Narrative of the Athabasca and Peace River Treaty Expedition of 1899 by Mair, Charles

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

From Police!!! by Hutt, Henry

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

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.