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Stegodyphus Mimosarum
''Stegodyphus mimosarum'', the African social velvet spider, is a species of the genus ''Stegodyphus'', one of the velvet spiders. It is a social species, which is found in South Africa and Madagascar. The genome sequence was published in 2014. Similar to closely related species such as ''Stegodyphus sarasinorum ''Stegodyphus sarasinorum,'' also known as the Indian cooperative spider, is a species of velvet spider of the family Eresidae. It is native to India, Sri Lanka, Nepal, and Myanmar. This spider is a social spider that exhibits communal predation ...'', ''S. mimosarum'' engages in communal living which involves remaining with the same colony even when prey availability is low, moving away in order to expand the nest not due to lack of food. References External linksWorld Spider Catalog: Stegodyphus mimosarum Pavesi, 1883 Eresidae Spiders of Africa Spiders described in 1883 {{Araneomorphae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stegodyphus
''Stegodyphus'' is a genus of velvet spiders that was first described by Eugène Simon in 1873. They are distributed from Africa to Europe and Asia, with one species (''S. manaus'') found in Brazil. The name is derived from Ancient Greek ('' stegos''), meaning "covered". At least three species are social spiders, and several are known to use ballooning as a method of dispersal. Species it contains twenty species: *''Stegodyphus africanus'' ( Blackwall, 1866) – Africa *''Stegodyphus bicolor'' ( O. Pickard-Cambridge, 1869) – Southern Africa *'' Stegodyphus dufouri'' ( Audouin, 1826) – North, West Africa *''Stegodyphus dumicola'' Pocock, 1898 – Central, Southern Africa *''Stegodyphus hildebrandti ''Stegodyphus'' is a genus of velvet spiders that was first described by Eugène Simon in 1873. They are distributed from Africa to Europe and Asia, with one species (''S. manaus'') found in Brazil. The name is derived from Ancient Greek ( ...'' (Ferdinand Karsch, Kars ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Velvet Spider
Velvet spiders (family Eresidae) are a small group (about 130 species in 9 genus, genera) of spiders almost entirely limited to the Old World, with exception of a few species known from Brazil. In Europe some are commonly called the Ladybird spider, ladybird spiders Description This family can sometimes be confused with the Jumping spider, jumping spiders, or those in the Palpimanidae family. These spiders are usually black or brown in color, thought they can also have brighter colors as pictured. As their common name implies they can look quite smooth and velvety. They usually live in silken tubes under objects, or underground, but the genus ''Stegodyphus,'' builds silken nests. Identification They can be distinguished from most species except the Penestomus, Penestomidae by their semi rectangular carapace and clypeal hood. Thought the can be distinguished from Penestomus, Penestomidae by the eye arrangement, straight anterior eye row and strongly recurved posterior eye row ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Social Spider
A social spider is a spider species whose individuals form relatively long-lasting aggregations. Whereas most spiders are solitary and even aggressive toward other members of their own species, some hundreds of species in several families show a tendency to live in groups, often referred to as colonies. Spider sociality Most species of social spiders live in the tropical regions of the world where size and density of their prey — insects — is highest. But several species reach into the eastern United States and other temperate areas. By building a communal web, it is thought that the spiders approximately maximize total biomass capture per spider. Having a larger web and multiple spiders to work together to subdue prey allows them to prey on larger organisms than would be possible if they led a solitary existence. The colonies can grow large enough to take down birds and bats, as well as very large insects. Living in a colony also has another major benefit for spiders: c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stegodyphus Sarasinorum
''Stegodyphus sarasinorum,'' also known as the Indian cooperative spider, is a species of velvet spider of the family Eresidae. It is native to India, Sri Lanka, Nepal, and Myanmar. This spider is a social spider that exhibits communal predation and feeding, where individuals live in large cooperatively built colonies with a nest or retreat constructed of silk woven using leaves, twigs, and food carcasses, and a sheet web for prey capture. Individual ''S. sarasinorum'' spiders that have attacked prey once are more likely to attack prey again, independent of their body size or hunger level. This is the only member of the family Eresidae that is arboreal, not terrestrial. Description ''Stegodyphus sarasinorum'', like most Eresids, are short, stout spiders lined with several fine hairs. These fine hairs give the spiders an ash-colored appearance. The dorsal side of the abdomen is marked with three longitudinal white stripes and six pairs of dots, which are part of the spider's patte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eresidae
Velvet spiders (family Eresidae) are a small group (about 130 species in 9 genera) of spiders almost entirely limited to the Old World, with exception of a few species known from Brazil. In Europe some are commonly called the ladybird spiders Description This family can sometimes be confused with the jumping spiders, or those in the Palpimanidae family. These spiders are usually black or brown in color, thought they can also have brighter colors as pictured. As their common name implies they can look quite smooth and velvety. They usually live in silken tubes under objects, or underground, but the genus ''Stegodyphus,'' builds silken nests. Identification They can be distinguished from most species except the Penestomidae by their semi rectangular carapace and clypeal hood. Thought the can be distinguished from Penestomidae by the eye arrangement, straight anterior eye row and strongly recurved posterior eye row, with the median eyes close together. Social Behavior ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spiders Of Africa
Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every land habitat. , 50,356 spider species in 132 families have been recorded by taxonomists. However, there has been debate among scientists about how families should be classified, with over 20 different classifications proposed since 1900. Anatomically, spiders (as with all arachnids) differ from other arthropods in that the usual body segments are fused into two tagmata, the cephalothorax or prosoma, and the opisthosoma, or abdomen, and joined by a small, cylindrical pedicel, however, as there is currently neither paleontological nor embryological evidence that spiders ever had a separate t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
