Gymnopternus flavus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Diptera
- family: Dolichopodidae
- genus: Gymnopternus
- species: Gymnopternus flavus
Mellwood
Maryland- West Concord
Massachusetts- Greensboro
North Carolina- Drexel
Ohio- Millvale
Pennsylvania
United States