Water-glider
Guides
Stenus clavicornis
Stenus clavicornis is a species of rove beetle in the family Staphylinidae, subfamily Steninae. Like other members of the genus Stenus, this species possesses the ability to glide on water surfaces using specialized gland secretions that reduce surface tension. The species has been recorded across a broad Palearctic distribution and has been introduced to parts of North America.
Stenus stygicus
Stenus stygicus is a rove beetle in the subfamily Steninae, characterized by its ability to glide on water surfaces using specialized gland secretions. The species occurs across North America from Canada through the United States to Mexico. Like other members of its genus, it employs a distinctive prey-capture mechanism involving the ballistic projection of mouthparts. It is one of numerous Stenus species documented in the region, with records spanning diverse habitats from Arctic tundra to temperate and subtropical zones.