Hercostomus chalybeus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Diptera
- family: Dolichopodidae
- genus: Hercostomus
- species: Hercostomus chalybeus
Wetteren
Flanders
Belgium
Rydebäck
Skåne- Bergshamra
Stockholm
Sweden