Jewel wasps (Chalcidoidea) are one of the most diverse groups of insects, with more than 120,000 species described and an estimated true diversity of nearly 1 million. The chalcids are parasitoid wasps, which attack other insects to lay their eggs upon in order to feed and grow within the host.
Click here for original story, Oldest family of jewel wasps discovered in Cretaceous amber from Lebanon
Source: Phys.org