Hygrotus tumidiventris
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Dytiscidae
- genus: Hygrotus
- species: Hygrotus tumidiventris
Banff- Medicine Hat
- Tofield
Alberta- Kamloops
British Columbia
Canada
Ritzville
Washington
United States