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nymph in Cyprus Walking on water surface; the dark blobs are shadows cast by water disturbances around each of the six legs touching the water.. The Gerridae are a family of insects in the order Hemiptera, commonly known as water striders, water skeeters, water scooters, water bugs, pond skaters, water skippers, water gliders, water skimmers or puddle flies.
Gerrinae is a subfamily of water strider. This subfamily includes the largest and most best-known group of Gerridae. They are also a phylogenetic subfamily made up of two tribes, and ~14 genera. [1] [2]
The Ochteroidea (infraorder Nepomorpha are also found in shore habitat, while the Gerromorpha are actually most often encountered running around on the water surface, being kept from sinking by surface tension and their water-repellent legs. Well-known members of the Gerromorpha are the namesake Gerridae (water striders).
Gerris buenoi is a species of water strider that belongs to the family Gerridae.It was first identified in 1911 and is native to continental USA and Canada. [1] Individuals of this species are small in size and have modified appendages, allowing them to float and "skate" along the surface of the water.
Most species exhibit a schooling behavior and tend to exploit the shallow water refugia associated with coastal areas presumably to avoid large-bodied predators, such as the lemon shark. [ 3 ] Mojarra is also commonly used in Latin American countries as a name for various species of the cichlid family, including tilapia .
Water striders, and more specifically those that fall under the genus Gerris are a model organism for studying sexual conflict as they have clear costs associated with their actions. They have great use as a control group when comparing to other organisms where it is more unclear as what is occurring.
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Gigantometra gigas is the largest species of water-striders, with legs having a span of about 300 mm in order to spread its relatively large body weight on the water surface. Sexual dimorphism is common throughout the Gerridae and sexual selection of males for large body size has been demonstrated in several species, including this one: where ...