Ectemnius nigritarsus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Hymenoptera
- family: Crabronidae
- genus: Ectemnius
- species: Ectemnius nigritarsus
Traismauer- Ybbsitz
Lower Austria- Linz
Upper Austria
Austria
Cankova
Cankova
Slovenia