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TaxonomyBrowse
Info
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Species Metepeira grandiosa

little orbweaver - Metepeira grandiosa male spider - juvenile - Metepeira grandiosa - male male spider - Metepeira grandiosa - male spider with retreat - Metepeira grandiosa - female spider with retreat - Metepeira grandiosa - female spider with retreat - Metepeira grandiosa - female spider with retreat - Metepeira grandiosa - female Metepeira retreat - Metepeira grandiosa
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 grandiosa (Metepeira grandiosa)
Synonyms and other taxonomic changes
Explanation of Names
Author of the name: Chamberlin & Ivie. Year first published: 1941.
Identification
2 subspecies - both have no median longitudinal band on the black sternum. - I don't know if these two are still considered subspecies.
- alpina - Coxae never black.
- grandiosa - More variable than the others.

Range
2 subspecies
- alpina- Rocky Mountains - Rocky Mountain area of Saskatchewan, North Dakota, Oklahoma, to British Columbia, Oregon and south to Chihuahua.
- grandiosa - Pacific - British Columbia to California.
Season
2 subspecies
- alpina- June to August
- grandiosa - March to October.
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