Ichneumonidae
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The Ichneumonidae, also known as ichneumon wasps, ichneumonid wasps, ichneumonids, or Darwin wasps, are a family of parasitoid wasps of the insect order Hymenoptera. They are one of the most diverse g
IC Ichneumonini
Cremastinae wasp
Male ichneumonid wasp
Head (Ichneumon xanthorius). Antennae with many segments
Parasitoid
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A parasitoid is an organism that lives in close association with its host at the host's expense, eventually resulting in the death of the host. Parasitoidism is one of six major evolutionary strategie
Ichneumonidae
…have been in stasis for millions of years and closely resemble the common ancestor in which parasitoidism evolved. This common ancestor was likely an Ectoparasitoid woodwasp that parasitized wood-boring beetle larvae in trees. However, this has been disputed as early fossil ichneumonoids (such as Praeichneumonidae…
A parasitoid wasp (Trioxys complanatus, Aphidiinae) ovipositing into the body of a spotted alfalfa aphid (Therioaphis maculata, Calaphidinae), a behaviour that is used in biological pest control
A hyperparasitoid chalcidoid wasp on the cocoons of its host, a braconid wasp, itself a koinobiont parasitoid of Lepidoptera
The head of a sessile female strepsipteran protruding (lower right) from the abdomen of its wasp host; the male (not shown) has wings
Encarsia formosa, an endoparasitic aphelinid wasp, bred commercially to control whitefly in greenhouses