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Brief Summary

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The spider family Liocranidae includes 171 described species (Platnick 2013), including 11 that occur in North America north of Mexico (Ubick and Richman 2005). Liocranids are wandering, nocturnally hunting ground spiders that are found under rocks and in leaf litter and construct sac-like retreats. Most are forest species (e.g., in North America, Apostenus is associated with oaks and Hesperocranum largely with conifers), although there are exceptions (e.g., Neoanagraphis is found in the Mojave Desert). A series of paired spines are often present beneath the tibiae and metatarsi of the front two pairs of legs. Some liocranids are tiny.

Genera currently placed in Liocranidae were formerly included within Clubionidae and the composition of Liocranidae remains somewhat unresolved. A number of species formerly included in Liocranidae have been transferred to the family Corinnidae.

(Ubick and Richman 2005; Bradley 2013)

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Liocranidae

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Liocranidae is a family of araneomorph spiders first described by Eugène Simon in 1897.[1] They are one of several groups called "sac spiders". The holarctic genus Agroeca is the best-known, but it also includes various genera of more obscure spiders that still lack a diagnosis. Two species in the North American genus Neoanagraphis are found in the extremely dry conditions in the Mojave, Sonoran and Chihuahuan deserts. Females live in animal burrows while males wander and are the ones most often caught in pitfall traps.

Genera

As of August 2021, the World Spider Catalog accepts the following genera:[2]

  • Agraecina Simon, 1932 — Europe, Africa, Kazakhstan
  • Agroeca Westring, 1861 — Asia, Europe, Africa, South America, North America
  • Andromma Simon, 1893 — Africa
  • Apostenus Westring, 1851 — Africa, United States, Europe
  • Arabelia Bosselaers, 2009 — Greece, Turkey
  • Argistes Simon, 1897 — Sri Lanka
  • Coryssiphus Simon, 1903 — South Africa
  • Cteniogaster Bosselaers & Jocqué, 2013 — Tanzania, Kenya
  • Cybaeodes Simon, 1878 — Europe, Algeria
  • Donuea Strand, 1932 — Madagascar
  • Hesperocranum Ubick & Platnick, 1991 — United States
  • Jacaena Thorell, 1897 — Asia
  • Koppe Deeleman-Reinhold, 2001 — Asia, Papua New Guinea
  • Laudetia Gertsch, 1941 — Dominica
  • Liocranoeca Wunderlich, 1999 — United States, Europe, Russia
  • Liocranum L. Koch, 1866 — Europe, Ethiopia, Asia, Papua New Guinea, Cuba
  • Liparochrysis Simon, 1909 — Australia
  • Mesiotelus Simon, 1897 — Europe, Asia, Kenya
  • Mesobria Simon, 1898 — Saint Vincent and the Grenadines
  • Neoanagraphis Gertsch & Mulaik, 1936 — United States, Mexico
  • Oedignatha Thorell, 1881 — Asia, Oceania, Seychelles
  • Paratus Simon, 1898 — Asia
  • Platnick Marusik & Fomichev, 2020 — Tajikistan
  • Rhaeboctesis Simon, 1897 — Angola, Namibia, South Africa
  • Sagana Thorell, 1875 — Europe, the Caucasus
  • Scotina Menge, 1873 — Algeria, Malta, Asia
  • Sesieutes Simon, 1897 — Asia
  • Sestakovaia Zamani & Marusik, 2021 — Europe, Iran
  • Sphingius Thorell, 1890 — Asia
  • Sudharmia Deeleman-Reinhold, 2001 — Indonesia
  • Teutamus Thorell, 1890 — Asia
  • Toxoniella Warui & Jocqué, 2002 — Kenya
  • Vankeeria Bosselaers, 2012 — Greece
  • Xenoplectus Schiapelli & Gerschman, 1958 — Argentina

See also

References

  1. ^ Simon, E. (1897). Histoire naturelle des araignées. doi:10.5962/bhl.title.51973.
  2. ^ "Family: Liocranidae Simon, 1897". World Spider Catalog. Natural History Museum Bern. Retrieved 2019-04-21.

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Liocranidae: Brief Summary

provided by wikipedia EN

Liocranidae is a family of araneomorph spiders first described by Eugène Simon in 1897. They are one of several groups called "sac spiders". The holarctic genus Agroeca is the best-known, but it also includes various genera of more obscure spiders that still lack a diagnosis. Two species in the North American genus Neoanagraphis are found in the extremely dry conditions in the Mojave, Sonoran and Chihuahuan deserts. Females live in animal burrows while males wander and are the ones most often caught in pitfall traps.

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Liocranidae

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Les Liocranidae sont une famille d'araignées aranéomorphes[1].

Distribution

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Distribution

Les espèces de cette famille se rencontrent en Asie, en Europe, en Afrique, en Amérique du Nord et en Océanie, et une espèce du Pérou[1].

Description

Ce sont des araignées nocturnes vivant dans la végétation basse. Cette famille reste peu connue. Elles se distinguent des Clubionidae par deux rangées d'épines sur les pattes antérieures.

Lors de la parade nuptiale, le mâle fait vibrer très rapidement ses paires de pattes antérieures devant la femelle. Les cocons se trouvent installés dans des loges recouvertes de terre.

Paléontologie

Cette famille est connue depuis le Paléogène[2].

Taxonomie

Cette famille rassemble 295 espèces dans 34 genres[1].

Liste des genres

Selon World Spider Catalog (version 22.5, 10/08/2021)[3] :

Selon World Spider Catalog (version 20.5, 2020)[2] :

Publication originale

  • Simon, 1897 : Histoire naturelle des araignées. Paris, vol. 2, p. 1-192 (texte intégral).

Notes et références

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Liocranidae: Brief Summary

provided by wikipedia FR

Les Liocranidae sont une famille d'araignées aranéomorphes.

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