Spiders in California

Spiders found in California include 46 unique species from 345 confirmed sightings based on contributions made by Spider ID members. 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.


46 Species Found in California

California Sightings
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345 spider sightings have been made in California by contributing members. Consider submitting confirmed sightings of your own.

Picture of unidentified spider Enlarge Picture
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Picture of Kukulcania spp. - Male - Dorsal Enlarge Picture
Picture of Phidippus spp. - Dorsal Enlarge Picture
Picture of Phidippus nikites - Dorsal Enlarge Picture
Picture of Curicaberis spp. - Dorsal Enlarge Picture
Picture of Steatoda spp. (False Widows) - Female - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
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Picture of Curicaberis spp. - Male - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Aptostichus spp. - Dorsal Enlarge Picture
Picture of Araneidae (Orb-weavers) - Dorsal,Spiderlings Enlarge Picture
Picture of Olios giganteus (Giant Crab Spider) - Female - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Scotophaeus blackwalli (Mouse Spider) - Dorsal Enlarge Picture
Picture of Steatoda spp. (False Widows) - Ventral Enlarge Picture
Picture of Phidippus audax (Bold Jumper) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Amaurobiidae (Hacklemesh Weavers) - Dorsal Enlarge Picture
Picture of unidentified spider - Dorsal Enlarge Picture
Picture of Mastophora cornigera - Ventral Enlarge Picture
Picture of Phidippus adumbratus - Eyes Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Castianeira thalia - Dorsal Enlarge Picture
Picture of Kukulcania spp. - Dorsal Enlarge Picture
Picture of Latrodectus geometricus (Brown Widow Spider) - Female - Ventral,Webs Enlarge Picture
Picture of Steatoda grossa (False Black Widow) - Male - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Latrodectus geometricus (Brown Widow Spider) - Female - Lateral,Webs Enlarge Picture
Picture of Holocnemus pluchei (Marbled Cellar Spider) - Lateral Enlarge Picture
Picture of Hogna antelucana - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Zoropsidae (False Wolf Spiders) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Calisoga spp. (False Tarantulas) - Dorsal Enlarge Picture
Picture of Phidippus johnsoni (Johnson Jumping Spider) - Dorsal Enlarge Picture
Picture of Sparassidae (Giant Crab Spiders) Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Dorsal Enlarge Picture
Picture of Xysticus spp. (Ground Crab Spiders) - Dorsal Enlarge Picture
Picture of Trachelas pacificus - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture