Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Metepeira arizonica

Spider - Metepeira arizonica Metepeira? - Metepeira arizonica - female Labyrinth Spider - Metepeira arizonica Labyrinth Spider - Metepeira arizonica Metepeira arizonica - male - female Metepeira arizonica - female Metepeira arizonica - female Metepeira arizonica - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Araneidae (Orb Weavers)
Genus Metepeira
Species arizonica (Metepeira arizonica)
Synonyms and other taxonomic changes
Explanation of Names
Author of the name: Chamberlin & Ivie. Year first published: 1942.
Size
Females 4.7 to 8.4 mm, Males 2.7 to 3.8 mm (1)
Identification
Like M. crassipes (unlike M. grinnelli and gosoga) the carapace is very dark brownish black except for the light transverse anterior head region. (1)

The following image is closest to the ventral drawing in the work cited:



(two white ventral marks & 2 spots above spinnerets)
Range
Western Texas, northern Arizona to California. (1)
Season
Collected March to December. (1)
Remarks
Rarely they are light in color on the carapce and dorsum. (1)
Internet References
1. www.biodiversitylibrary.org - The Orb-Weaver Genera Metepeira, Kaira and Aculepeira in America North of Mexico (Araneae: Araneidae) by Herbert W. Levi