Tropisternus natator
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Hydrophilidae
- genus: Tropisternus
- species: Tropisternus natator
Carlinville
Mitchell
Urbana
IllinoisWest Concord
MassachusettsOradell
River Edge
New JerseyMillvale
Pennsylvania
United States