The family Gerridae is physically characterized by having hydrofuge hairpiles, retractable preapical claws, and elongated legs and body.
Hydrofuge hairpiles are small, hydrophobic micr… Meer weergeven

Cretogerris, from the Cretaceous (Albian) Charentese amber of France, was initially suggested as a gerrid. However, it was later interpreted as an indeterminate member of Gerroidea. They are … Meer weergeven

Wing polymorphism (i.e., the presence of multiple wing morphs in a given species) has independently evolved multiple times in Gerridae, as well as complete wing loss, something that has been important for the evol… Meer weergeven

Water striders are able to walk on top of water due to a combination of several factors. Water striders use the high surface tension of water and long, hydrophobic legs to help them stay above water. Gerridae spe… Meer weergeven

Gerrids generally lay their eggs on submerged rocks or vegetation using a gelatinous substance as a glue. Gravid females carry between two and twenty eggs. The eggs are creamy white or transl… Meer weergeven