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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Cribellate Orb Weavers (Uloboridae) » Uloborus

Genus Uloborus

Classification · Explanation of Names · Numbers · Range · Remarks · Internet References
Cribellate Orb Weaver - Uloborus glomosus Uloboridae sp w/ egg sac - Uloborus campestratus - female Cribellate Orb Weaver - Uloborus diversus - female Uloborus glomosus Cribellate Orb Weaver - Uloborus glomosus Possible Uloborus campestratus - Uloborus campestratus Uloborus glomosus Uloborus diversus? - Uloborus diversus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Uloboridae (Cribellate Orb Weavers)
Genus Uloborus
Explanation of Names
From Greek ouloboros (ουλοβορος)- "with deadly bite"
Ironically, this genus- like the rest of its family, and unlike most or all other spiders- has no venom.
Numbers
4 species in the USA
Range
campestratus (cinereus) - USA - Florida and gulf states, eastern and southern Mexico.
diversus - USA - Widespread in the western US from Oregon, Utah and eastern Arizona south into western Mexico.
glomosus - USA - Widespread in the the eastern US, north into southern Canada, south into Mexico.
segregatus - USA - Lower Rio Grande Valley of Texas and adjacent Mexico.
Remarks
Some species from this genus were moved to Philoponella.
Internet References
~ digitallibrary.amnh.org - Detailed descriptions, maps & drawings. Muma & Gertsch, 1964 (PDF).
Contributed by Troy Bartlett on 16 February, 2004 - 1:20pm
Additional contributions by Lynette Elliott, Chuck Entz
Last updated 13 May, 2011 - 11:38am

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