Ground-nesting-wasp-parasite
Guides
Hedychrum
Hedychrum is a large genus of cuckoo wasps in the family Chrysididae, comprising roughly 150 species and ranking as the second largest genus in the family. Most species occur in the Palaearctic region, with additional species present in the Oriental, Afrotropical, Nearctic, and Neotropical regions. These wasps are obligate brood parasites of ground-nesting apoid wasps, primarily in the subfamily Philanthinae.