Tags: Arachnid.
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 nine genera and a little over 200 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.
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