The species of the giant water scavenger beetle genus Hydrophilus Geoffroy occurring in the United States and Canada are reviewed. Three species are recorded: Hydrophilus (s. str.) insularis Laporte de Castelnau, Hydrophilus (Dibolocelus) ovatus Gemminger and Harold, and Hydrophilus (s. str.) triangularis Say. A key to species and distribution maps of each taxon are provided.
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The Coleopterists Bulletin
Vol. 68 • No. 2
June 2014
Vol. 68 • No. 2
June 2014
aquatic beetles
distribution
key
North America
taxonomy