Family: Dytiscidae

Predaceous Diving Beetles

These photos supplement pages 145-158 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Dytiscidae can be found on page 152.

Dytiscid larva

Dytiscid larva tarsal claw Dytiscid larva terminus

Coleoptera Larvae

ChrysomelidaeChrysomelidae
Reed Beetle


DytiscidaeDytiscidae
Predaceous Diving Beetle


Coleoptera Elmidae LarvaeElmidae
Riffle Beetles


Gyrinidae larvaGyrinidae
Whirligig Beetles


Haliplid larvaHaliplidae
Crawling Water Beetles


Hydrophilidae larvaHydrophilidae
Water Scavenger Beetles