Oecobiidae
Encyclopedia
The spider
family Oecobiidae (also called Disc web spiders) consists of about 100 species.
They are rather small (about 2 cm); some of them build tiny webs close to the ceiling in people's homes. The first two pairs of legs point forward then curve backwards.
The species Oecobium navus
occurs around the world.
While the genus Oecobius is cribellate
, the genus Uroctea is ecribellate.
Spider
Spiders are air-breathing arthropods that have eight legs, and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms...
family Oecobiidae (also called Disc web spiders) consists of about 100 species.
They are rather small (about 2 cm); some of them build tiny webs close to the ceiling in people's homes. The first two pairs of legs point forward then curve backwards.
The species Oecobium navus
Oecobius navus
Oecobius navus is a small cosmopolitan cribellate spider species of about 2-3mm. It is light grey with darkly annulated legs. It builds flat webs with lateral openings with a diameter of about 3 cm under rocks, on ceilings and along the corners of walls with protruding signaling...
occurs around the world.
While the genus Oecobius is cribellate
Cribellum
The cribellum is a silk spinning organ found in certain spiders. Unlike normal spinnerets, the cribellum consists of one or more plates covered in thousands of tiny spigots. These spigots produce extremely fine fibers which are combed out by the spider's calamistrum, producing silk with a wooly...
, the genus Uroctea is ecribellate.
Genera
- Oecobius Lucas, 1846 (Cosmopolitan)
- Paroecobius Lamoral, 1981 (Africa)
- Platoecobius ChamberlinRalph Vary ChamberlinRalph Vary Chamberlin was an American zoologist from Salt Lake City, Utah. He received his PhD from Cornell University in 1904. He was a professor of zoology at Brigham Young University from 1908-1911, and at the University of Utah from 1925-1938....
& IvieWilton IvieWilton Ivie was an American entomologist, who descriped Arachnida-species. . He was employed by the American Museum of Natural History in New York.Wilton Ivie: B.S., M.S. in biology from University of Utah....
, 1935 (USA) - UrocteaUrocteaUroctea is a genus of spiders that is found in Eurasia and Africa. It is sometimes put into its own family, Urocteidae. Their tent-like web is very similar to the ones Oecobius builds; but Uroctea species do not have a cribellum.-Species:...
Dufour, 1820 (Mediterranean, Africa, Asia) - Urocteana RoewerCarl Friedrich RoewerCarl Friedrich Roewer was a German arachnologist. He concentrated on harvestmen, where he described almost a third of today's known species, but also almost 700 taxa of spiders and numerous Solifugae....
, 1961 (Senegal) - Uroecobius Kullmann & Zimmermann, 1976 (South Africa)