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Common Spiders of Alameda and Contra Costa Counties

Theridion melanurum 1
Common House Spider
Parasteatoda tepidariorum
Enoplognatha ovata 2
Western Black Widow 3
Latrodectus hesperus
Rhomphaea fictilium 4
False Black Widow
Steatoda grossa
Noble False Widow 5
Steatoda nobilis
Triangulate Comb-foot 6
Steatoda triangulosa
Cyclosa conica 7
Cyclosa turbinata 8
Grey Cross Spider 9
Larinioides sclopetarius
Silver-sided Sector Spider 10
Zygiella x-notata
Yellow Garden Spider 11
Argiope aurantia
Banded Garden Spider 12
Argiope trifasciata
Metepeira spinipes 13
Araneus andrewsi 14
Cross Orbweaver 15
Araneus diadematus
Cat-faced Orb-Weaver 16
Araneus gemmoides
Six-spotted Orbweaver
Araniella displicata
Western Spotted Orbweaver 8
Neoscona oaxacensis
Sierra Dome Spider 17
Neriene litigiosa

Edited by leftcoastnaturalist, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Ken Schneider, some rights reserved (CC BY-NC), uploaded by Ken Schneider
  • 2. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
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  • 5. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
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  • 12. (c) Ferran Pestaña, some rights reserved (CC BY-NC)
  • 13. (c) R.J. Adams, some rights reserved (CC BY-NC), uploaded by R.J. Adams
  • 14. (c) Ken-ichi Ueda, some rights reserved (CC BY)
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  • 16. (c) Tony Iwane, some rights reserved (CC BY-NC), uploaded by Tony Iwane
  • 17. (c) Zach Hawn, some rights reserved (CC BY-NC-SA)

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