| Anelosimus elegans | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Theridiidae |
| Genus: | Anelosimus |
| Species: | A. elegans |
| Binomial name | |
| Anelosimus elegans | |
Anelosimus elegans is a species of cobweb spiders (Theridiidae). It is found from Mexico to Peru.
Theridiidae, also known as the tangle-web spiders, cobweb spiders and comb-footed spiders, is a large family of araneomorph spiders first described by Carl Jakob Sundevall in 1833. This diverse, globally distributed family includes over 3,000 species in 124 genera, and is the most common arthropod found in human dwellings throughout the world.
Selimus is a monotypic genus of Brazilian jumping spiders containing the single species, Selimus venustus. It was first described by George and Elizabeth Peckham in 1901, known from a single male found in Brazil. The species name is derived from Latin venustus "charming".
Anelosimus is a cosmopolitan genus of cobweb spiders (Theridiidae), currently containing 74 species. Anelosimus is a key group in the study of sociality and its evolution in spiders. It contains species spanning the spectrum from solitary to highly social (quasisocial), with eight quasisocial species, far more than any other spider genus. Among these is the South American social species Anelosimus eximius, among the best studied social spider species.
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.
Anelosimus studiosus is a subsocial tangle web spider or theridiid spider living in both North America and South America. In 2012, genetic analysis revealed a previously identified species, A. tungurahua, is in fact the same species as A. studiosus.
Anelosimus biglebowski is a species of spider in the family Theridiidae. All specimens known have been found in the Udzungwa Scarp Forest Reserve, Mufindi District, Tanzania. It is named for the 1998 film The Big Lebowski.
Anelosimus dude is a species of spider in the family Theridiidae. It is native to Tanzania, having only been found in the Udzungwa Scarp Forest Reserve and Mazumbai Forest Reserve. It is closely related to Anelosimus biglebowski. The name A. dude derives from "The Dude", a character in the 1998 film The Big Lebowski.
Anelosimus monskenyensis is a small species of spider in the family Theridiidae. It has only been found on Mount Kenya, the location from which its name originates. Males range in size from 1.80 to 1.90 millimetres, while females range from 1.90 to 2.55 millimetres. Specimens were shades of brown and white, although color variation is not known. They may kleptoparasitically inhabit the webs of agelenid spiders, although this behavior is not found in other Anelosimus species. Agnarsson and Zhang find it more probable that A. monskenyensis is a social or semi-social spider.
Anelosimus sulawesi is a small species of spiders in the family Theridiidae. It is known only from Dumoga Bone National Park, Sulawesi, Indonesia. The name derives from the location it was discovered. The holotype male is 2.00 millimetres (0.079 in) total length, while a female of the same species was measured to be 2.05 millimetres (0.081 in). The coloration is brown with some white on the dorsal folium, similar to other species in Anelosimus.
Anelosimus kohi is a species of spider in the family Theridiidae. It is found in Singapore and Malaysia. The species is named for Joseph K. H. Koh, an entomologist from Singapore who collected the holotype specimen.
Anelosimus nelsoni is a species of spider in the family Theridiidae. It is only known from iSimangaliso Wetland Park, KwaZulu-Natal, South Africa. It is named for Nelson Mandela. The male holotype specimen is 2.08 millimetres (0.082 in) in length, and the female paratype is 2.60 millimetres (0.102 in) in length. Both the holotype and paratype were found on Fanies Island, 5 km south of Cape Vidal. Both were collected from bushes or trees in an open forest patch.
Anelosimus agnar is a species of spider in the family Theridiidae. The holotype and paratype specimens were collected in Teluk Mahkota, Johor, Malaysia. Both specimens are female; this species currently lack information on males. The spider is named for Agnar Ingólfsson, the father of the discoverer, Ingi Agnarsson. Females can be identified as members of this species by unusually long and flimsy copulatory ducts. Females range in size from 2.05 to 2.40 millimetres. Both the holotype and paratype were collected from small webs at the tips of branches, from a forested area next to a beach.
Anelosimus linda is a species of spider in the family Theridiidae. The holotype and paratype specimens were collected in Cameron Highlands, Pahang, Malaysia. Both specimens are female; this species currently lack information on males. The spider is named for Linda Wendel, the mother of the discoverer, Ingi Agnarsson. Females are approximately 1.90 millimetres (0.075 in). A. linda lives in mid-elevation forest; both the holotype and paratype were collected at 1550m elevation.
Anelosimus potmosbi is a species of spider found in Papua New Guinea. It is found along the coast near Port Moresby. It is solitary, despite the sociality commonly found in the genus Anelosimus. The total length of individuals is approximate 2 to 3 millimetres, and it can be distinguished from other species by the genitalia: the male has an elongated corkscrew embolus, while the female has a simple copulatory duct trajectory. It is named for the name of Port Moresby in the Tok Pisin language.
Anelosimus terraincognita is a species of spider discovered in the collection of the Rijksmuseum van Natuurlijke Historie, with no associated information as to its collector or location of discovery. Males have a corkscrew-shaped embolus, which is a characteristic unique to Australasian species within the genus Anelosimus. It is known only from the holotype specimen, which has a total length of 2.2 millimetres (0.087 in). It is named for the cartographic Latin phrase terra incognita, meaning unknown land.
Anelosimus pomio is a species of tangle-web spider found in Papua New Guinea. It was first collected in 2009 by Ingi Agnarsson, and identified by the same in 2012. It was collected from small-leaved mangrove trees adjoining a beach. It is 3 to 4 millimetres in length, and can be distinguished from other species in its genus by the shape of the embolus. The embolus looks similar to that of Anelosimus chonganicus and Anelosimus membranaceus: It forms a corkscrew shape with fewer turns than A. chongnicus and the turns are closer to the base than A. membranaceus. It is presumed to be a solitary spider, although there are limited data. Its name is derived from the village of Pomio, in East New Britain Province, near where it was collected.
Anelosimus luckyi is a species of spider found in Papua New Guinea. It is known only from the holotype specimen, found by Andrea Lucky in 2009 and after whom the species is named. It was discovered in Western Province at an elevation of 1,587 metres (5,207 ft). It has a distinctive embolus, which differentiates it from other species. The sociality of the species is not known.
Anelosimus pratchetti is a species of tangle-web spider found in New South Wales, Australia. Initial field observations indicate it is a subsocial spider. It lives in low elevation environments, including beachfront mangrove forests. It was identified by Ingi Agnarsson in 2012, who named the species after Terry Pratchett, whom Agnarsson described as "a comic genius."
Anelosimus analyticus is a species of cobweb spider in the family Theridiidae. It is found in the United States and Mexico.
Selkirkiella is a genus of South American comb-footed spiders that was first described by Lucien Berland in 1924. Originally placed with the Araneidae, it was transferred to the comb-footed spiders in 1972.
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