Discoelius dufourii
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Eumenidae
- genus: Discoelius
- species: Discoelius dufourii
Neulengbach
Lower AustriaMarchtrenk
Upper Austria
AustriaStelzenberg
Rheinland-Pfalz
GermanySolero
Piedmont
Italy