| Purumitra | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Uloboridae |
| Genus: | Purumitra Lehtinen [1] |
| Type species | |
| Purumitra grammica | |
| Species | |
| |
Purumitra is a genus of spiders in the family Uloboridae. It was first described in 1967 by Lehtinen. As of 2017 [update] , it contains 2 species. [1]
Uloboridae is a family of non-venomous spiders, known as cribellate orb weavers or hackled orb weavers. Their lack of venom glands is a secondarily evolved trait. Instead, they wrap their prey thoroughly in silk, cover it in regurgitated digestive enzymes, and then ingest the liquified body.
Philoponella vicina is a species of spider that does not use venom, but instead wraps its prey in hundreds of metres of spider silk to crush it to death. The spider then goes on to regurgitate digestive fluid into the shroud, then consuming the pre-digested liquid.
Philoponella is a genus of uloborid spiders. Like all Uloboridae, these species have no venom.
Cribellum literally means "little sieve", and in biology the term generally applies to anatomical structures in the form of tiny perforated plates.
The Entelegynae or entelegynes are a subgroup of araneomorph spiders, the largest of the two main groups into which the araneomorphs were traditionally divided. Females have a genital plate (epigynum) and a "flow through" fertilization system; males have complex palpal bulbs. Molecular phylogenetic studies have supported the monophyly of Entelegynae.
Sybota is a genus of uloborid spiders, found in Chile and Argentina.
Hyptiotes paradoxus is a spider species with Palearctic distribution. It is notably found in Lithuania and Latvia. It is also found in Estonia and Finland.
Uloborus glomosus is a species of spider in the family Uloboridae. It is one of only a few Uloborus species found in North America and the only species found in Canada. Like all other species in the Uloboridae, Uloborus glomosus does not possess venom glands, relying instead on cribellate, a fuzzy non sticky silk that they use to trap and then wrap their prey. This species exhibits different disturbance behaviors depending on whether there are eggsacs present. If present the female spider will jerk at the web and if not present, then the female spider will walk to the opposite side of the web.
Miagrammopes thwaitesii, is a species of spider of the genus Miagrammopes. It is native to India and Sri Lanka.
Uloborus umboniger, is a species of spider of the genus Uloborus. It is endemic to Sri Lanka.
Astavakra is a genus of spiders in the family Uloboridae. It was first described in 1967 by Lehtinen. As of 2017, it contains only one species, Astavakra sexmucronata, found in the Philippines.
Conifaber is a genus of spiders in the family Uloboridae. It was first described in 1982 by Opell. As of 2017, it contains 4 species, all from South America:
Daramulunia is a genus of spiders in the family Uloboridae. It was first described in 1967 by Lehtinen. As of 2017, it contains 2 species.
Lubinella is a genus of spiders in the family Uloboridae. It was first described in 1984 by Opell. As of 2017, it contains only one species, Lubinella morobensis, from New Guinea.
Octonoba is a genus of Asian cribellate orb weavers first described in 1979 by Brent Opell. Members of this genus and those of Purumitra both have a large concave median apophysis and a conspicuous hematodocha. However, these spiders are generally much larger, with a carapace greater than 1.4 millimeters long, where those of Purumitra are usually less than 1 millimeter long.
Orinomana is a genus of spiders in the family Uloboridae. It was first described in 1934 by Strand. As of 2017, it contains 7 South American species.
Polenecia is a genus of spiders in the family Uloboridae. It was first described in 1967 by Lehtinen. As of 2017, it contains only one species, Polenecia producta, with a range of "Mediterranean to Azerbaijan".
Siratoba is a genus of spiders in the family Uloboridae. It was first described in 1979 by Opell. As of 2017, it contains 2 species.
Waitkera is a genus of spiders in the family Uloboridae. It was first described in 1979 by Opell. As of 2017, it contains only one species, Waitkera waitakerensis, found in New Zealand.
Uaitemuri is a genus of Brazilian cribellate orb-weavers first described by A. J. Santos & M. O. Gonzaga in 2017. As of April 2019 it contains only two species.
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