Stenus femoratus
Say, 1831
Stenus femoratus is a of rove beetle in the Steninae, first described by Thomas Say in 1831. Like other members of the Stenus, it possesses specialized labial structures that can be everted using blood pressure to capture prey. The species is broadly distributed across eastern and central North America, with records from Canada and numerous U.S. states.
Pronunciation
How to pronounce Stenus femoratus: //ˈstiː.nus ˌfɛ.mɔˈrɑː.tus//
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Images
Distribution
Canada (Manitoba, Ontario, Quebec) and United States (District of Columbia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Dakota, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, South Carolina, Texas, Virginia, Wisconsin).
Similar Taxa
- Stenus biwenxuaniBoth belong to Stenus and share the ability to glide on water surfaces using gland secretions that reduce surface tension, though S. biwenxuani was found on shore while S. femoratus preferences are less documented.
- Dianous speciesBoth Steninae possess water-gliding abilities, but Dianous are considered more specialized water gliders whereas Stenus species show variable development of this trait.