Wasp - Wikipedia

Wasps are a diverse group, estimated at over a hundred thousand described species around the world, and a great many more as yet undescribed. For example, there are over 800 species of fig trees, mostly in the tropics, and almost all of these has its own specific fig wasp (Chalcidoidea) to effect pollination.

Parasitoid wasp - Wikipedia

Parasitoid wasps are a large group of hymenopteran superfamilies, with all but the wood wasps being in the wasp-waisted Apocrita.As parasitoids, they lay their eggs on or in the bodies of other arthropods, sooner or later causing the death of these hosts.Different species specialise in hosts from different insect orders, most often Lepidoptera, though some select beetles, flies, or bugs; the