... was correct :D based on the punctation of the scutellum I would say Holopyga fervida . Males of this species are extremely polymorphic, meaning ... ). Reminder: the name H.ignicollis has changed. It is synonym of H. chrysonota . H. chrysonota (sensu Linsenmaier 1959) is now H. similis Mocsary, ...
I found many of Holopyga, Northern France (close Le Havre), I think it is H. chrysonota as I doubt it could be H. ignicollis (?). That would be nice to get confirmation. Here are 2 specimens, ...
Hello Frank, thanks for the hint. H. chrysonota exists in the checklist of Czech Republic. But to be on the safe side, I shall wait for the opinion of another expert. By the way, your pictures of Chrysididae are really stunning!!! Mirex