Hygrotus patruelis
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Hygrotus
- species: Hygrotus patruelis
Banff- Lethbridge
- Medicine Hat
- Pincher Creek
- Tofield
Alberta
Canada
Crookston
Minnesota- Brookings
- White River
South Dakota
United States