Family: Hydrophilidae Adult

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.

Hydrophilidae Adult

Hydrophilidae Adult antenna Hydrophilidae Adult ventral

Coleoptera Adults

Dryopidae AdultDryopidae
Long-toed Water Beetles


DytiscidaeDytiscidae
Predaceous Diving Beetle


Elmidae adultElmidae
Riffle Beetles


Gyrinidae AdultGyrinidae
Whirligig Beetles


Haliplidae AdultHaliplidae
Crawling Water Beetles


HydrophilidaeHydrophilidae
Water Scavenger Beetles