Girish Mahajan (Editor)

Scaffold web spider

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Kingdom
  
Animalia

Infraorder
  
Araneomorphae

Phylum
  
Arthropoda

Rank
  
Family

Subphylum
  
Chelicerata

Scientific name
  
Nesticidae

Higher classification
  
Araneoidea

Order
  
Spider

Scaffold web spider tolweborgtreeToLimageseidmanellaweb250ajpg

Similar
  
Titanoecidae, Ray spider, Leptonetidae, Pimoidae, Palpimanidae

The scaffold web spiders of the family Nesticidae, are closely allied with the Theridiidae, or tangle web spiders. Like the Theridiidae, these spiders have a comb of serrated bristles on the hind tarsi that are used to pull silk bands from the spinnerets. It contains 15 genera and about 280 species, many of which are associated with caves or overhangs. The genus Nesticus is the type for the family and is found throughout the world. The related Eidmannella has speciated considerably in Texas caves and includes some extremely localized species that are considered threatened. One species, Eidmannella pallida, is found in caves and under overhangs, but also in agricultural fields and other habitats away from such restricted areas. The genus Carpathonesticus is found in central Eurasia.

Genera

As of February 2017, the World Spider Catalog accepted the following extant genera:

The following extinct genera have been placed in the Nesticidae:

  • Balticonesticus Wunderlich, 1986 – Palaeogene, Baltic amber
  • Eopopino Petrunkevitch, 1942 – Palaeogene, Baltic and Bitterfeld amber
  • Heteronesticus Wunderlich, 1986 – Palaeogene, Baltic amber
  • Hispanonesticus Wunderlich, 1986 – Neogene, Dominican amber
  • References

    Scaffold web spider Wikipedia