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parasitoid

American  
[par-uh-si-toid, -sahy-] / ˈpær ə sɪˌtɔɪd, -saɪ- /

noun

  1. an organism that practices parasitoidism.


adjective

  1. of or relating to a parasite, especially one practicing parasitoidism.

parasitoid British  
/ ˈpærəsɪˌtɔːd /

noun

  1. zoology an animal, esp an insect, that is parasitic during the larval stage of its life cycle but becomes free-living when adult

"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

parasitoid Scientific  
/ părə-sĭ-toid′,-sī′toid /
  1. Any of various insects, such as the ichneumon fly, whose larvae are parasites that eventually kill their hosts. The adult parasitoid deposits an egg on or inside the body of its host, typically the larva of another arthropod. When the egg hatches, the parasitoid larva feeds on the host's tissues, gradually killing it.


Etymology

Origin of parasitoid

1920–25; < New Latin Parasitoïdea (1913); parasite, -oid

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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.

By the time Matvey Nikelshparg was 13, he was obsessed with parasitoid wasps, tiny insects that lay their eggs on or inside other bugs.

From New York Times • Sep. 21, 2023

Researchers at Kyushu University and Vietnam's National Museum of Nature have discovered 16 new species of Loboscelidia, a strange-looking and elusive group of parasitoid wasps.

From Science Daily • Sep. 19, 2023

The authors describe parasitoid wasps that lay their eggs inside the cocoons of other parasitoid wasps, for example, and leeches that spend their entire lives inside the anuses of hippopotamuses.

From Scientific American • Nov. 17, 2022

So is a less celebrated group of insects, parasitoid wasps, which lay their eggs inside other insects and spiders.

From Science Magazine • Nov. 2, 2022

Egg- laying females of two species of parasitoid wasps were studied in special growth chambers in which a food source was either provided or omitted.

From Textbooks • Jun. 9, 2022