Toad-bug
Guides
Gelastocoris rotundatus
toad bug
Gelastocoris rotundatus is a species of toad bug in the family Gelastocoridae, first described by Champion in 1901. It is one of two Gelastocoris species known from North America, where it occurs in the southwestern United States and southward through Central America. Like other toad bugs, it is a predator associated with aquatic margins.
Nerthra stygica
Nerthra stygica is a species of toad bug in the family Gelastocoridae, first described by Thomas Say in 1832. It belongs to the infraorder Nepomorpha, a group of aquatic and semi-aquatic true bugs. The species is known from North America, though specific details about its ecology and biology remain limited in published sources.