Distributional records and notes on 91 species of North American aquatic Coleoptera (Dytiscidae, Epimetopidae, Gyrinidae, Haliplidae, Hydraenidae, Hydrophilidae, Noteridae)

Records and notes on the distribution of 91 species of aquatic and semi-aquatic Coleoptera are provided for North America. This includes 56 species of Dytiscidae, 4 species of Epimetopidae, 2 species of Gyrinidae, 3 species of Haliplidae, 1 species of Hydraenidae, 23 species of Hydrophilidae, and 2 species of Noteridae. New country records include Berosus punctatissimus LeConte (Hydrophilidae) in Canada (southwestern British Columbia), Helochares maculicollis Mulsant (Hydrophilidae) in Canada (southern Ontario), Hydrophilus ensifer Brullé (Hydrophilidae) in Belize and Jamaica, Hydrophilus insularis Laporte de Castelnau (Hydrophilidae) in El Salvador and Honduras, and Neoclypeodytes moroni Arce-Pérez and Novelo-Gutiérrez (Dytiscidae) in the United States (southern Texas).