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Genus Araneus

Araneus cingulatus Cross Spider - Araneus diadematus Spider - Araneus Spider Dogwood Flower - Dorsal - Araneus pegnia - female Spider help please - Araneus trifolium Spider - genus/species? - Araneus gemmoides Cross Orbweaver - Araneus diadematus Spider in my window - Araneus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes)
Family Araneidae (Orb Weavers)
Genus Araneus
Numbers
More than 50 species in the US and Canada!!
Identification
www.canadianarachnology.org - Images of bonsallae & groenlandicola.
Range
List of species and range information has been compiled from a combination of the World Spider Catalog and the Spiders of North America site listed below. If the species name is in bold we have that guide page here on bugguide.

abigeatus - (misidentified?)
alboventris - GA, NH, CT
allani - AZ
andrewsi - OR, CA
apache - ??
arizonensis - AZ, NM, CO
bicentenarius - NM, TX, WI, MN, MI, IL, IN, ON, LA, AL, GA, FL, SC, TN, NC, VA, WV, PA, NJ, NY, MA, NH, ME, NS
bispinosus - CA
bivittatus - AL, GA, NC, MD, NY, CT, MA, NH, ME, FL
bonsallae - NE, TX, MO, IL, AR, LA, GA, NC, FL, VA, MD, NY
calusa - FL
carroll - AR
cavaticus - TX, AL, TN, KY, WV, VA, OH, PA, NY, ON, PQ, CT, MA, VT, NH, ME, NS, NB
cingulatus - TX, MO, AR, IL, LA, KY, TN, FL, GA, NC, VA, MD, NY, NJ, PA, MA
cochise - AZ
corticarius - AK, YT, NT, AB, SK, MB, ON, ND, MN, WI, MI, IN, PA, NY, MA, NH, ME, CT, NS
detrimentosus - CA, AZ, TX, MS, AL, FL
diadematus - BC, WA, OR, MI, OH, PA, ON, NY, PQ, RI, MA, NS, NF
gadus - AR, AL, NC, MD, MA, GA
gemma - BC, WA, OR, ID, MT, CA
gemmoides - AL, MI, WI, MN, IL, MO, IA, ND, SD, NE, SK, AB, BC, MT, WY, CO, UT, AZ, CA, NV, ID, OR, WA
groenlandicola - AB, MB, ON, PQ, MN, ME, NS, NF
guerrerensis - AZ (same sp. as chiricahua)
guttulatus - WI, IL, AR, AL, GA, NC, SC, VA, MI, NY, NH, ME, MN
illaudatus - AZ, TX (= pima) OR, CA, NV, UT, AZ, NM, TX
iviei - AB, SK, MB, ON, MI, PA, NY, CT, MA, VT, NH, ME, AK
juniperi - TX, AR, IL, AL, GA, FL, NC, MD, NY, MA, ME, NH, CT
kerr - TX
mammatus - AZ, UT
mariposa - CA
marmoreus - AZ, BC, NT, AB, SK, MB, ON, PQ, NB, NF, OR, WA, MT, WY, UT, ND, NE, MN, WI, IA, MI, IL, IA, KS, MO, AR, TX, MS, AL, GA, TN, KY, WV, VA, NC, SC, OH, PA, NY, NJ, CT, MA, VT, NH, ME
miami - FL
miniatus - MA, CT, NY, NC, TN, TX, LA, MS, AL, GA, FL, OH
missouri - (= raui) MO
monica - CA
montereyensis - CA
nashoba - TX, NJ, NY, MA, ME, TN, FL
niveus - MO, IL, AR, LA, KY, TN, AL, GA, FL, NC, MD, NY, CT, VA
nordmanni - YT, BC, NT, AB, SK, WA, OR, ID, MT, WY, UT, CA, CO, AZ, NM, TX, ON, PQ, LB, WI, MN, MI, TN, NC, VA, WV, PA, NY, CT, MA, VT, NH, ME, NB, NS,
partitus - NY, CT, (MD, WV, VA?), NC, SC, GA, FL, MS, AR, IL, OH, OK
pegnia - CA, AZ, TX, LA, MS, AL, GA, FL, NC, VA, WV, MD, OH, IN, NY, NJ, CT, MA, NH
pratensis - NH, VT, MA, CT, NY, PA, OH, MI, IL, IA, MO, AR, NC, TX, FL (VA?, MD?, WV?)
prunus - FL, MD, MS
saevus - AL, YT, BC, WA, OR, AB, MB, SK, ON, PQ, ID, MT, WY, UT, CO, SD, MN, WI, MI, NY, PA, VT, MA, CT, NH, ME, NB, NS, NF
santarita - AZ
texanus - TX
thaddeus - AZ, UT, NE, MN, WI, IL, MO, AR, KY, OH, TN, AL, GA, NC, WV, VA, MD, PA, NJ, NY, CT, VT, NH, MA
trifolium - AK, BC, AB, SK, MB, ON, PQ, NF, NS, ME, NH, VT, MA, CT, NY, PA, NJ, MD, VA, WV, NC, TN, AL, OH, IN, IL, MI, WI, MN, IA, ND, SD, CO, NM, UT, WY, ID, MT, WA, OR, CA
tuscarora - NC
washingtoni - NH, ME, NF
yukon - YT
Remarks
Several species of Neoscona and Araneus that are considered "barn spiders" can only be identified by examination of the carapace groove (fovea). Neoscona have a longitudinal groove on the carapace (parallel with the long axis of the body), whereas Araneus have angular (transverse) grooves. However, an apparent problem is that in Araneus the groove may appear as little more than a dimple, making it tough to tell. Here is a diagram detailing the carapace grooves of the two genera.
Internet References
~ kaston.transy.edu - Range Information from Spiders of North America.