Chalcid wasps (/ ˈ k æ l s ɪ d /, from Greek khalkos 'copper', for their metallic colour) [1] are insects within the superfamily Chalcidoidea, part of the order Hymenoptera. The superfamily contains some 22,500 known species, and an estimated total diversity of more than 500,000 species, meaning the vast majority have yet to be discovered ...