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Brief Summary

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The spider family Prodidomidae includes 309 described species (Platnick 2014). The family has a mostly tropical and south temperate distribution, with just two species found in North America north of Mexico (both from the extreme southern portion of this region) (Ubick 2005). One of the two U.S. species, Prodidomus rufus, is believed to be a synanthrope; it is known from China, Japan, New Caledonia, St. Helena, and South America (Platnick 2014) and was probably introduced to the New World (N.I. Platnick pers. comm. cited in Ubick 2005).

Prodidomids are relatively rare and little is known about their habits. They are nocturnal ground-dwellers that seem to prefer relatively arid regions, where they occur under rocks and ground litter and occasionally even turn up in homes (Vetter 1996). These spiders are believed to be closely related to the Gnaphosidae and for more than a decade Prodidomidae was not recognized as a distinct family (Platnick and Shadab 1976; Platnick 1990)

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Prodidominae

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Prodidominae is a spider subfamily, sometimes called long-spinneret ground spiders. It was formerly regarded as a separate family, Prodidomidae, which was reduced to a subfamily of the Gnaphosidae in 2018.[1][2]

Spiders in the subfamily are easily identified by the greatly elongated base of the piriform gland spigots. At least parts of their body are covered with shiny scales or setae. The posterior median eyes are flat and silvery, with a triangular, egg-shaped or irregularly rectangular shape.[3]

Biology

Spiders in the Prodidominae are ground dwellers. Most species are nocturnal and hide during the day in litter, but Myandra species, which are probably mimicking ants, seem to be active during the day.[3] The genus Zimiris is synanthropic and thus found throughout the tropics.

Distribution

Although Theuma walteri was described from Turkmenistan by Eugène Simon, it is suspected that Simon accidentally exchanged its locality with that of Anagraphis pallens (Gnaphosidae); then T. walteri would have been collected in the Cape of Good Hope, while A. pallens is from Turkmenistan.[4]

Genera

References

  1. ^ Azevedo, G.H.F; Griswold, C.E. & Santos, A.J. (2018). "Systematics and evolution of ground spiders revisited (Araneae, Dionycha, Gnaphosidae)". Cladistics. 34 (6): 579–626. doi:10.1111/cla.12226.
  2. ^ "NMBE - World Spider Catalog". wsc.nmbe.ch. Retrieved 2019-06-04.
  3. ^ a b Barbara Baehr: Prodidomidae
  4. ^ Platnick & Baehr 2006
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Prodidominae: Brief Summary

provided by wikipedia EN

Prodidominae is a spider subfamily, sometimes called long-spinneret ground spiders. It was formerly regarded as a separate family, Prodidomidae, which was reduced to a subfamily of the Gnaphosidae in 2018.

Spiders in the subfamily are easily identified by the greatly elongated base of the piriform gland spigots. At least parts of their body are covered with shiny scales or setae. The posterior median eyes are flat and silvery, with a triangular, egg-shaped or irregularly rectangular shape.

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Wikipedia authors and editors
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wikipedia EN