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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Cobweb Spiders (Theridiidae) » Euryopis

Genus Euryopis

Classification · Synonyms and other taxonomic changes · Explanation of Names · Numbers · Size · Range · Food · Life Cycle · Remarks · See Also · Internet References · Works Cited
Cobweb Weaver - Euryopis funebris - female Euryopis tavara - female Spider - Euryopis Small Spider - Euryopis E. formosa female - Euryopis formosa - female Cobweb spider A 9.14.18 - Euryopis tiny black spider with brown-tipped abdomen - Euryopis Euryopis spider. ? - Euryopis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Theridiidae (Cobweb Spiders)
Genus Euryopis
Synonyms and other taxonomic changes
WSC
Explanation of Names
Greek, 'having a broad face'(1)
Numbers
20 species(1)
Size
BL 2-5mm
Range
Distribution from Levi, 1963. (2)

- E. argentea - Most common in the northeast US & very southeast Canada. One data point in Northern Colorado and one data point in Northwestern Oregon.
-E. californica - USA, Mexico(exact distribution to be added later)
-E. cocki - USA(exact distribution to be added later)
-E. formosa - Central CA north to BC and east to Wyoming.
-E. funebris - Northeastern US & southeastern Canada south to FL & west to LA. One data point in northwestern ND.
-E. gertschi - Northeastern US, southeastern Canada
-E. lineatipes - USA, Mexico(exact distribution to be added later)
-E. mulaiki - southern AX & TX
-E. pepini - USA(exact distribution to be added later)
-E. quinquemaculata - Eastern US, CT to GA, & northeastern TX
-E. saukea - Northeastern US, MN to NJ
-E. scriptipes - North America(exact distribution to be added later)
-E. spinigera - southwestern US including TX
-E. spiritus - USA(exact distribution to be added later)
-E. tavara - FL
-E. texana - USA, Mexico(exact distribution to be added later)
-E. varis - USA(exact distribution to be added later)
-E. weesei - AR
Food
Some species seem to specialize in preying on ants. Also take other small insects and spiders.
Life Cycle
Egg Sac


Spiderling
Remarks
A terrestrial Theridiid that does not build a web, but captures prey in the same manner as web building Theridiids by initially throwing viscid silk to pin their prey, and then continue wrapping.
See Also
- emertoni - Eastern US, coastal states (now in Emertonella)
- taczanowskii - Southern FL, southern TX, CO, UT, AZ, NM (now in Emertonella)
Internet References

Levi 1954

~ digitallibrary.amnh.org - PDF with written description of Euryopis dentatus & deridens.

~ crawford.tardigrade.net - Euryopis formosa male from WA.
Works Cited
1.Spiders of North America: An Identification Manual
D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds). 2005. American Arachnological Society.
2.American spiders of the genera Audifia, Euryopis, and Dipoena (Araneae: Theridiidae)
H.W. Levi. 1963. Bulletin of the Museum of Comparative Zoology, 129 (2): 121-185.
Contributed by tom murray on 30 July, 2005 - 9:22pm
Additional contributions by Lynette Elliott, Jeff Hollenbeck
Last updated 20 September, 2013 - 8:56am

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