parasitoid(redirected from Ectoparasitoid)
Also found in: Medical.
Related to Ectoparasitoid: Parasitoidism, Endoparasitoid, Hyperparasitoid
An organism, usually an insect, that lives on or in a host organism during some period of its development and eventually kills its host.
(Zoology) zoology an animal, esp an insect, that is parasitic during the larval stage of its life cycle but becomes free-living when adult
par•a•sit•oid(ˈpær ə sɪˌtɔɪd, -saɪ-)
1. an insect that hatches within a host, feeds on it during the larval stage, and becomes free-living when the host dies.
2. any organism whose mode of life is intermediate between a parasite and a predator.adj.
3. of or pertaining to a parasitoid.