Definition
Gerris is the scientific genus name for water striders, more commonly known as pond-skaters. These insects are characterized by their ability to walk on water, thanks to their specialized legs and the surface tension of water. They are predators, feeding on other insects that fall onto the water surface. Think of "Gerris" as their official last name in the insect world. They belong to the family Gerridae. They are found globally in various aquatic habitats.