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Genus Araniella

Spider ID - Araniella displicata Green orbweaver - Araniella displicata - female Sixspotted Orbweaver - Araniella displicata - female Six spotted Orbweaver - Araniella displicata - female Six spotted Orbweaver - Araniella displicata - female Araniella displicata Spider - Araniella displicata - female Tiny spider - Araniella - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes )
Family Araneidae (Orb Weavers)
Genus Araniella
Explanation of Names
Araneus (either the genus or the Latin word meaning "spider") + -ella (a Latin ending meaning "little")
Gender: Feminine
Numbers
There are two known species in the US and Canada:

1) A. displicata has been recorded in these US states: AK, AZ, CA, CO, CT, IA, ID, IL, IN, MD, ME, MI, MN, MT, NC, ND, NH, NJ, NM, NT, NY, OH, OR, PA, RI, UT, VA, VT, WA, WI, WV, WY
and these Canadian Provinces/Territories: AB, BC, MB, NF, NS, ON, PQ, SK, YT

2) A. proxima has been recorded in these Canadian Provinces/Territories: AB BC NL NT QC SK

*A. cucurbitina has been recorded in CO & CT, according to the Nearctic Spider Database, but bugguide has chosen to leave this off our species list since that information is not accepted by current publications, like The World Spider Catalog.
Identification
In separating A. displicata from A. proxima:
1) Range - If it's found in the US it should be A. displicata.
2) Coloring - A. proxima is described as having abdomen yellow to white while A. displicata can be yellow to white or sometimes red or green.
3) Spot Pairs - A. proxima has 1-3 dorsal spot pairs while A. displicata has 3-4 dorsal spot pairs.(1)
Internet References
Spiders of North America (north of Mexico) - Range and synonyms (please note while the US only has one species there is a second species found in Canada which is also covered by Bugguide)
Images of A. proxima found here.
Works Cited
1.The orb-weaver genera Araniella and Nuctenea
H.W. Levi. 1974. Bull. Mus. Comp. Zool. 146(6): 291-316.