Family: Gelastocoridae

Toad Bugs

These photos supplement pages 97-103 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Gelastocoridae can be found on page 98. Gelastocoridae are easy to distinguish from other Hemiptera by their general body shape and bulging eyes. They look remarkable similar to small toads and even hop along the shoreline.

Gelastocoridae

Gelastocoridae mouth parts Gelastocoridae eyes

Hemiptera

BelostomatidaeBelostomatidae
Giant Water Bugs


CorixidaeCorixidae
Water Boatmen


GelastocoridaeGelastocoridae
Toad Bugs


GerridaeGerridae
Water Striders


HydrometridaeHydrometridae
Water Measurers


MesoveliidaeMesoveliidae
Water Treaders


NepidaeNepidae
Water Scorpions


NotonectidaeNotonectidae
Backswimmers


PleidaePleidae
Pygmy Backswimmers


SaldidaeSaldidae
Shore Bugs


VeliidaeVeliidae
Broad-Shouldered Striders