Stilbum cyanurum, is a large Old World species of cuckoo wasps (insects in the family Chrysididae).BiolibAustralian Department of Environment
Description Stilbum cyanurum can reach a length of about .Brisbane Insects The colour range of this widespread species is considerable, with typical specimens mostly bluish green to bluish-violet, but varying to reddish gold.Chrysis.net
Biology These wasps lay their eggs in the nests of various potter wasps (Delta unguiculatum, Katamenes arbustorum), sphecid wasps (Sceliphron caementarium, Sceliphron destillatorium and Sceliphron madraspatanum), and megachilid bees (Megachile).
Distribution This widespread species is present in southern Europe, North Africa, the Afrotropical Region, Australian Region, East Palearctic ecozone, Near East, and Oriental Region.Fauna europaea
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