ichneumon wasp
noun
variants
or less commonly ichneumon fly
: any of a large family (Ichneumonidae) of brown or black hymenopterous insects that have a slender body and long ovipositor and whose larvae are parasites of the larvae and pupae of various insects
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“Ichneumon wasp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ichneumon%20wasp. Accessed 28 Nov. 2024.
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