Oecobiidae
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Oecobiidae
Oecobiidae, also called disc web spiders, is a family of araneomorph spiders, including about 100 described species. They are small to moderate sized spiders (about long combined head and body length, depending on the species. Larger ones tend to be desert-dwelling. The legs are unusually evenly placed around the prosoma; most other spiders have some legs directed clearly forward and the rest clearly backward, or all forward. The first two pairs of legs of many Oecobiids point forward then curve backwards; somehow in a running spider this gives a curiously scurrying, wheel-like impression that is characteristic of many Oecobiidae, and is helpful as a rough-and-ready aid to identification in the field. Characteristic of the family is the anal gland; it bears a tuft of long hairs. Typical colour patterns range from dark-patterned cream in some smaller species, to a small number of symmetrically-placed, conspicuous round light spots (commonly yellow or white) on a background that may ...
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Oecobiidae
Oecobiidae, also called disc web spiders, is a family of araneomorph spiders, including about 100 described species. They are small to moderate sized spiders (about long combined head and body length, depending on the species. Larger ones tend to be desert-dwelling. The legs are unusually evenly placed around the prosoma; most other spiders have some legs directed clearly forward and the rest clearly backward, or all forward. The first two pairs of legs of many Oecobiids point forward then curve backwards; somehow in a running spider this gives a curiously scurrying, wheel-like impression that is characteristic of many Oecobiidae, and is helpful as a rough-and-ready aid to identification in the field. Characteristic of the family is the anal gland; it bears a tuft of long hairs. Typical colour patterns range from dark-patterned cream in some smaller species, to a small number of symmetrically-placed, conspicuous round light spots (commonly yellow or white) on a background that may ...
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List Of Oecobiidae Species
This page lists all described species of the spider family Oecobiidae accepted by the World Spider Catalog : † ''Lebanoecobius'' † '' Lebanoecobius'' Wunderlich, 2004 * † ''L. schleei'' Wunderlich, 2004 — Cretaceous Lebanese amber † ''Mizalia'' † '' Mizalia'' Koch and Berendt, 1854 * † ''M. blauvelti'' Petrunkevitch, 1942 — Palaeogene Baltic amber * † ''M. gemini'' Wunderlich, 2004 — Palaeogene Baltic amber * † ''M. rostrata'' Koch and Berendt, 1854 ( type) — Palaeogene Baltic amber * † ''M. spirembolus'' Wunderlich, 2004 — Palaeogene Baltic amber ''Oecobius'' '' Oecobius'' Lucas, 1846 * '' O. achimota'' Shear & Benoit, 1974 — Ghana * '' O. aculeatus'' Wunderlich, 1987 — Canary Is. * '' O. affinis'' O. Pickard-Cambridge, 1872 — Lebanon * '' O. agaetensis'' Wunderlich, 1992 — Canary Is. * '' O. albipunctatus'' O. Pickard-Cambridge, 1872 — Syria * '' O. alhoutyae'' Wunderlich, 1995 — Kuwait * '' O. amboseli'' Shear & Benoit, 1974 — Eg ...
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Oecobius Navus
''Oecobius navus'' is a small cosmopolitan distribution, cosmopolitan cribellate spider species found across the world. Description Both adult males and females are approximately the same size, with a body length of 2–2.5 mm (0.08 – 0.10 in). The carapace is almost circular, pale brown, with a dark patch in the centre which sometimes extends to the ocular region, and a thin black marginal line. The abdomen is coloured a yellowish brown, with black spots over smaller white flecking. Their posterior Spinneret, spinnerets are long, with a tubule between them. The legs are short, and coloured as the carapace; they vary from being unmarked to having distinct, dark annulations. They have eight eyes, however the posterior median eyes are reduced to being flat, irregular silver patches. The other six eyes are grouped into two pairs of three. Distribution and habitat ''Oecobius navus'' is native to Europe and Northern Africa, however it has also been introduced to South Africa, Ch ...
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Uroecobius
''Uroecobius'' is a genus of spiders in the family Oecobiidae. It was first described in 1976 by Kullmann & Zimmermann. , it contains only one species, ''Uroecobius ecribellatus'', found in South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri .... References Oecobiidae Monotypic Araneomorphae genera Spiders of South Africa {{Araneomorphae-stub ...
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Urocteana
''Urocteana'' is a genus of spiders in the family Oecobiidae. It was first described in 1961 by Roewer. , it contains only one species, ''Urocteana poecilis'', from Senegal Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤭 ðž .... References Oecobiidae Monotypic Araneomorphae genera Spiders of Africa Taxa named by Carl Friedrich Roewer {{Araneomorphae-stub ...
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Platoecobius
''Platoecobius'' is a genus of spiders in the family Oecobiidae Oecobiidae, also called disc web spiders, is a family of araneomorph spiders, including about 100 described species. They are small to moderate sized spiders (about long combined head and body length, depending on the species. Larger ones tend to .... It was first described in 1935 by Chamberlin & Ivie. , it contains 2 species. References External links iNaturalist Oecobiidae Araneomorphae genera Spiders of the United States Spiders of Argentina {{Araneomorphae-stub ...
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Paroecobius
''Paroecobius'' is a genus of spiders in the family Oecobiidae. It was first described in 1981 by Lamoral. , it contains 2 species, found in South Africa and Botswana. References Oecobiidae Araneomorphae genera Spiders of Africa {{Araneomorphae-stub ...
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Wall Spider
Wall spider is the common name for members of the genus ''Oecobius''. The members of these several species are all very small spiders that make small flat webs over crevices in walls and in similar spaces. They possess an organ called a cribellum, which is a kind of comb-like device used to separate fibers of silk drawn from its spinnerets into many extremely fine fibers. Those fibers are so small in diameter that prey insects easily become entangled in them. The spiders then bite them before they can get away. One cosmopolitan species is ''O. navus'' (sometimes also called ''O. annulipes''). One species of interest is ''Oecobius civitas''. When a spider enters the home of another spider, rather than defend itself, the resident leaves to find another one. Species * ''Oecobius achimota'' Shear & Benoit, 1974 (Ghana) * ''Oecobius aculeatus'' Wunderlich, 1987 (Canary Is.) * ''Oecobius affinis'' O. P.-Cambridge, 1872 (Syria, Jordan) * ''Oecobius agaetensis'' Wunderlich, 1992 (Ca ...
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Cribellum
Cribellum literally means "little sieve", and in biology the term generally applies to anatomical structures in the form of tiny perforated plates. In certain groups of diatoms it refers to microscopically punctured regions of the frustule, or outer layer. In certain groups of spider species, so-called cribellate spiders, the cribellum is a silk spinning organ. Unlike the usual spinnerets of spiders, the cribellum consists of one or more plates covered in thousands of tiny spigots, tiny holes that hardly project from the surface, in contrast to the elongated spigots that project from spinnerets. These minute spigots produce extremely fine fibers, merely tens of nanometres thick, which are combed out by the spider's calamistrum, producing silk with a woolly texture. The fibers are so small in diameter that they are strongly subject to Van der Waals forces. In addition, the fibres have a surface that absorbs waxes from the epicuticle of insect prey on contact. This creates a po ...
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Uroctea
''Uroctea'' 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 Wall spider is the common name for members of the genus ''Oecobius''. The members of these several species are all very small spiders that make small flat webs over crevices in walls and in similar spaces. They possess an organ called a cribel ...'' builds; but Uroctea species do not have a cribellum. Species The 18 species of this genus include: * '' Uroctea compactilis'' L. Koch, 1878 (China, Korea, Japan) * '' Uroctea concolor'' Simon, 1882 (Yemen) * '' Uroctea durandi'' (Latreille, 1809) (Mediterranean) * '' Uroctea grossa'' Roewer, 1960 (Iran, Afghanistan) * '' Uroctea hashemitorum'' Bosselaers, 1999 (Jordan) * '' Uroctea indica'' Pocock, 1900 (India) * '' Uroctea lesserti'' Schenkel, 1936 (China, Korea) * '' Uroctea limbata'' (C. L. Koch, 1843) (Palearctic) * '' Uroctea manii'' Pate ...
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Uroctea Durandi
''Uroctea durandi'' is a Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the e ... spider about 16 mm in length, dark in color with five yellow spots on its back. It lives under rocks, where it constructs an upside-down tent-like hanging web about 4 cm in diameter. From each of the six openings two signaling threads protrude. When an insect or millipede touches one of these threads, the spider lunges out of the respective opening and catches its prey. References {{Taxonbar, from=Q145988 Oecobiidae Spiders of Europe Spiders of Africa Spiders described in 1809 ...
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Burmese Amber
Burmese amber, also known as Burmite or Kachin amber, is amber from the Hukawng Valley in northern Myanmar. The amber is dated to around 100 million years ago, during the latest Albian to earliest Cenomanian ages of the mid-Cretaceous period. The amber is of significant palaeontological interest due to the diversity of flora and fauna contained as inclusions, particularly arthropods including insects and arachnids but also birds, lizards, snakes, frogs and fragmentary dinosaur remains. The amber has been known and commercially exploited since the first century AD, and has been known to science since the mid-nineteenth century. Research on the deposit has attracted controversy due to its alleged role in funding internal conflict in Myanmar and hazardous working conditions in the mines where it is collected. Geological context, depositional environment and age The amber is found within the Hukawng Basin, a large Cretaceous-Cenozoic sedimentary basin within northern Myanmar. The s ...
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