parasitoid

noun
par·​a·​sit·​oid | \ ˈper-ə-sə-ˌtȯid How to pronounce parasitoid (audio) , -ˌsī-, ˈpa-rə- \

Definition of parasitoid

: an insect and especially a wasp that completes its larval development within the body of another insect eventually killing it and is free-living as an adult

Other Words from parasitoid

parasitoid adjective

Examples of parasitoid in a Sentence

Recent Examples on the Web Like many parasitoid species, the emerald jewel wasp is a specialist with only one option for a host—in this case, the American cockroach, Periplaneta americana. Kenneth C. Catania, Scientific American, 1 Feb. 2021 Technically speaking, the alien is a parasitoid, an organism that, unlike most parasites, ultimately kills its host. Kenneth C. Catania, Scientific American, 1 Feb. 2021 Similarly, female parasitoid wasps will compete over the most desirable hosts in which to lay their eggs. Jennifer Ouellette, Ars Technica, 29 Oct. 2020 Researchers including Hoddle are evaluating the parasitoid for possible release in California. Marc Mcandrews, Smithsonian Magazine, 22 Sep. 2020 Condos is also encouraged by the potential for parasitoid introduction. Marc Mcandrews, Smithsonian Magazine, 22 Sep. 2020 Shockley’s favorite parasitoid might be the emerald wasp. Lela Nargi, Washington Post, 28 Oct. 2019 Most efforts to control invasive insects have relied on parasites and parasitoids, which lay eggs and complete their life cycles in or on the target species. Gabriel Popkin, Science | AAAS, 15 Jan. 2020 Shockley says other parasitoids use their hosts’ existing behaviors. Lela Nargi, Washington Post, 28 Oct. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'parasitoid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of parasitoid

1914, in the meaning defined above

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The first known use of parasitoid was in 1914

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Dictionary Entries Near parasitoid

parasito-

parasitoid

parasitoidism

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Statistics for parasitoid

Cite this Entry

“Parasitoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/parasitoid. Accessed 4 Jul. 2022.

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More Definitions for parasitoid

parasitoid

adjective
par·​a·​sit·​oid | \ ˈpar-ə-sə-ˌtȯid How to pronounce parasitoid (audio) , -ˌsīt-ˌȯid How to pronounce parasitoid (audio) \

Medical Definition of parasitoid

 (Entry 1 of 2)

1 : resembling a parasite
2 : being a parasitoid

parasitoid

noun

Medical Definition of parasitoid (Entry 2 of 2)

: an insect and especially a wasp that completes its larval development within the body of another insect which it eventually kills and that is free-living as an adult

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