Spiders in California

Spiders found in California include 53 unique species from confirmed sightings by contributing members of Spider ID. It is important to remember that spiders seen in California are not bound by the territorial lines decided on by humans, therefore their distribution is subject to change. Occasionally, spiders can be found well outside of their known range due to being intentionally or accidentally transported by humans in cars, luggage, and other belongings.


53 Species Found in California

California Sightings
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Picture of Latrodectus geometricus (Brown Widow Spider) - Ventral Enlarge Picture
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Picture of Araneus andrewsi - Dorsal Enlarge Picture
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