Rhopalum gracile
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Crabronidae
- genus: Rhopalum
- species: Rhopalum gracile
- Falkenstein
- Hof am Leithaberge
- Markt Piesting
Lower Austria
Austria- Bjärred
- Lomma
- Skanör med Falsterbo
Skåne- Karlstad
Värmland
Sweden- Sankt Margrethen
Saint Gallen
Switzerland