Water Scavenger Beetles
These photos supplement pages 145-158 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Hydrophlildae can be found on page 156. Hydrophilidae adults can be confused with Gyrinidae and Dytiscidae. To compare, view Gyrinidae and Dytiscidae. Also, click to view the larval stage of Hydrophilidae.