parasitoid

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par·a·si·toid

(par'ă-sī'toyd),
Denoting a feeding relationship intermediate between predation and parasitism, in which the parasitoid eventually destroys its host; refers especially to parasitic wasps (order Hymenoptera) the larvae of which feed on and finally destroy a grub or other arthropod host stung by the mother wasp before laying its egg(s) on the host.
[parasite + G. eidos, appearance]

parasitoid

(păr′ə-sĭ-toid′, -sī′toid)
n.
An organism, usually an insect, that lives on or in a host organism during some period of its development and eventually kills its host.

par′a·sit·oid′ adj.

parasitoid

any of the alternately parasitic and free-living wasps and flies, such as the ichneumon fly, whose larvae parasitize and often kill members of the host species.
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