Dytiscus marginicollis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Dytiscus
- species: Dytiscus marginicollis
Lethbridge- Medicine Hat
Alberta
Canada
Flagstaff- Mountainaire
Arizona- Lagunitas-Forest Knolls
California- Montpelier
Idaho- Spokane
Washington
United States