Psechridae
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Psechridae is a family of araneomorph spiders with about 70 species in two genera.[1][2] These are among the biggest cribellate spiders with body lengths up to Script error: No such module "convert". and funnel webs more than Script error: No such module "convert". in diameter.[3]
The family belongs to the RTA clade of spiders because they all have a Retrolateral Tibial Apophysis on the male pedipalp. A recent phylogenetic analysis places Psechridae as close relatives of the lynx spiders, wolf spiders, and nursery web spiders.[4]
They feature several characteristics normally found in ecribellate spiders, for example brood care behavior, and a colulus with no apparent function.[5] They have greatly elongated legs, with the last element being very flexible. Female Psechrus carry their egg-sac in the chelicerae, similar to their relatives, the ecribellate Pisauridae. Members of Psechrus construct horizontal webs lace webs, while Fecenia construct pseudo-orbs, similar to orb webs of Orbiculariae spiders in an example of evolutionary convergence.[4][6]
Distribution
They occur in southeastern Asia, ranging from India in the west, to Solomon Islands in the east, reaching as far south as northern Australia, and north to central China.[7] They are found in forest, rocky areas, and caves from lowlands to altitudes exceeding Script error: No such module "convert"..
Genera
Script error: No such module "Labelled list hatnote". since April 2019[update]Template:Dated maintenance category (articles)Script error: No such module "Check for unknown parameters"., the World Spider Catalog accepts the following genera:[7]
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- Fecenia Simon, 1887 — Asia, Australia
- Psechrus Thorell, 1878 — Asia, Australia
- †Eomatachia Petrunkevitch, 1942 (fossil, oligocene)
See also
References
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Further reading
- Levi, H.W. (1982). The spider genera Psechrus and Fecenia (Araneae, Psechridae). Pacific Insects 24: 114-138. - revision of the family
- Wang, X.P. & Yin, C.M. (2001). A review of the Chinese Psechridae (Araneae). J. Arachnol. 29: 330-344. PDF Template:Webarchive
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