Tabanus trimaculatus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Diptera
- family: Tabanidae
- genus: Tabanus
- species: Tabanus trimaculatus
- Guelph
Ontario
Canada- Warrenville
Illinois- Montpelier
- Urbana
- Wooster
Ohio- Millvale
Pennsylvania
United States