Tropisternus collaris, the collared water scavenger beetle, is a species of water scavenger beetle in the family Hydrophilidae. It is found in the Caribbean, North America, and South America.
Subspecies Tropisternus collaris collaris (Fabricius, 1775) Tropisternus collaris mexicanus Laporte, 1840 Tropisternus collaris proximus Sharp, 1883 Tropisternus collaris striolatus (LeConte, 1855) Tropisternus collaris viridis Young and Spangler, 1956
References
Hansen, Michael (1999). World Catalogue of Insects, volume 2: Hydrophiloidea (s. str.) (Coleoptera), 416.
Further reading
Arnett, R.H. Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). (2002). American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press LLC, Boca Raton, FL. Arnett, Ross H. (2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. Richard E. White. (1983). Peterson Field Guides: Beetles. Houghton Mifflin Company.