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Genus Euryopis

Euryopis quinquemaculata; female; habitus dorsal - Euryopis quinquemaculata - female (Not a?) Baby Spider - Euryopis funebris Cobweb Spider - Euryopis californica E. formosa immature - Euryopis formosa Orbweaver? - Euryopis Unknown Spider  - Euryopis Euryopis? - Euryopis Euryopis? - Euryopis
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
Explanation of Names
Greek, 'having a broad face'(1)
18 species(2)
Body length 2-5mm
Distribution from Levi, 1963 unless otherwise noted. (3)

-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 - Southern CA into southern tip of NV and northern Baja California (4)
-E. coki - Southern ID into western WY and northern UT (4)
-E. formosa - Southern CA north to BC and east to Wyoming (range excludes most of Nevada)
-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 - Panama north to Rio Grande and southern Texas (4)
-E. mulaiki - southern AZ & TX
-E. pepini - WI (4)
-E. quinquemaculata - Eastern US, CT to GA, & northeastern TX
-E. saukea - Northeastern US, MN to NJ
-E. scriptipes - "Limits uncertain. From Chihuahua to Alberta, Utah and Arizona to Nebraska." (4)
-E. spinigera - southwestern US including TX
-E. spiritus - CO (4)
-E. tavara - FL
-E. texana - AZ, NM, TX, northern Mexico (4)
-E. varis - FL
-E. weesei - AR
Some species seem to specialize in preying on ants. Also take other small insects and spiders.
Life Cycle
Egg Sac

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

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

~ - 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.World Spider Catalog
3.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.
4.Spiders of the genus Euryopis from North and Central America (Araneae, Theridiidae)
Levi, H. W. 1954. American Museum Novitates 1666: 1-48.