Spiders in California

Spiders found in California include 31 unique species from 185 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.


31 Species Found in California

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

Picture of Pimoa spp. - Dorsal Enlarge Picture
Picture of Zoropsis spinimana - Dorsal Enlarge Picture
Picture of Kukulcania spp. - Male - Lateral Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Dorsal Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Dorsal Enlarge Picture
Picture of Aphonopelma spp. - Dorsal Enlarge Picture
Picture of Pholcidae (Cellar Spiders) - Dorsal Enlarge Picture
Picture of Steatoda nobilis (Noble False Widow) - Dorsal Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of Latrodectus hesperus (Western Black Widow) - Male - Dorsal Enlarge Picture
Picture of unidentified spider - Dorsal Enlarge Picture
Picture of Pholcus phalangioides (Long-bodied Cellar Spider) - Male - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Menemerus semilimbatus - Male - Dorsal Enlarge Picture
Picture of Olios giganteus (Giant Crab Spider) Enlarge Picture
Picture of Salticidae (Jumping Spiders) - Dorsal Enlarge Picture
Picture of Theridiidae (Cobweb Weavers) - Dorsal Enlarge Picture
Picture of Latrodectus geometricus (Brown Widow Spider) - Dorsal Enlarge Picture
Picture of Phidippus johnsoni (Johnson Jumping Spider) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Steatoda nobilis (Noble False Widow) - Male - Dorsal Enlarge Picture
Picture of Steatoda triangulosa (Triangulate Cobweb Spider) - Dorsal Enlarge Picture
Picture of Latrodectus geometricus (Brown Widow Spider) - Ventral,Webs Enlarge Picture
Picture of unidentified spider - Dorsal Enlarge Picture
Picture of Alopecosa kochi - Eyes Enlarge Picture
Picture of Alopecosa kochi - Dorsal Enlarge Picture
Picture of Olios giganteus (Giant Crab Spider) - Ventral Enlarge Picture
Picture of Olios giganteus (Giant Crab Spider) - Eyes Enlarge Picture
Picture of Colonus hesperus - Dorsal Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of Steatoda nobilis (Noble False Widow) - Female - Lateral,Spiderlings Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Dorsal Enlarge Picture
Picture of Dysdera crocata (Woodlouse Hunter) - Dorsal Enlarge Picture
Picture of Kukulcania spp. - Female - Dorsal Enlarge Picture
Picture of Sparassidae (Giant Crab Spiders) - Dorsal Enlarge Picture
Picture of Gnaphosidae (Stealthy Ground Spiders) - Male - Dorsal Enlarge Picture
Picture of Badumna longinqua (Grey House Spider) - Dorsal Enlarge Picture
Picture of Zoropsis spinimana - Dorsal Enlarge Picture
Picture of Calisoga spp. (False Tarantulas) - Lateral Enlarge Picture
Picture of Badumna longinqua (Grey House Spider) - Dorsal Enlarge Picture
Picture of Oecobius spp. - Dorsal Enlarge Picture
Picture of Agelenidae (Funnel Weavers) - Lateral Enlarge Picture
Picture of Steatoda nobilis (Noble False Widow) - Dorsal Enlarge Picture
Picture of Kukulcania spp. - Male - Dorsal Enlarge Picture
Picture of Calisoga spp. (False Tarantulas) - Dorsal Enlarge Picture
Picture of unidentified spider Enlarge Picture
Picture of Zoropsis spinimana - Male - Dorsal Enlarge Picture
Picture of Zoropsis spinimana - Male - Eyes Enlarge Picture
Picture of Araneus diadematus (Cross Orb-weaver) - Ventral Enlarge Picture
Picture of Trachelidae (Ground Sac Spiders) - Male - Dorsal Enlarge Picture