The state of Arizona has 27 spider species, three of them known for their venomous bite, being potentially dangerous to humans. They occur throughout the state in different landscapes, with the Arizona brown spider and the black widow inhabiting desert areas.
Camel and sun spiders belonging to the Arachnida class are
natives of Arizona, though they do not belong to the category of spiders.
Common spiders: Arizona Brown (Loxosceles arizonica ), Black Widow (Latrodectus Hesperus ), Southern House (Kukulcania hibernalis ), Carolina Wolf (Hogna carolinensis )
Largest spiders: Giant Crab (Olios giganteus ), Carolina Wolf (Hogna carolinensis )
Smallest spiders: Regal Jumping (Phidippus regius ), Banded Garden (Argiope trifasciata )
Spiders in Arizona Identification Chart
Highly Venomous Spiders
Cobweb (Theridiidae)
Black Widow (Latrodectus Hesperus ); Color: Black
Sicariidae
Arizona Brown Spider (Loxosceles arizonica) ; Color: Light brown, yellowish Brown Recluse (Loxosceles reclusa ); Color: Brown
Wolf (Lycosidae)
Carolina Wolf (Hogna carolinensis ); Color: Brown
Less Venomous Spiders
Wolf (Lycosidae)
Beach Wolf (Arctosa littoralis ); Color: Light brown
Orb-Weaver (Araneidae)
Banded Garden (Argiope trifasciata) ; Color: Black, yellow, brown, white
Cellar (Pholcidae)
Giant Daddy Long Legs (Artema atlanta) ; Color: Brown Marbled Cellar (Holocnemus pluchei ); Color: Dark to reddish-brown Trachelas pacificus ; Color: Light brown or tan
Cobweb (Theridiidae )
Crevice Weaver (Filistatidae)
Southern House (Kukulcania hibernalis ); Color: Black or dark brown
Huntsman (Sparassidae)
Giant Crab (Olios giganteus ); Color: Light brown
Lynx (Oxyopidae)
Jumping (Salticidae)
Regal Jumping (Phidippus regius ); Color: Orange, gray Pantropical Jumper (Plexippus paykulli) ; Color: Black and white) Salticus palpalis ; Color : Black or brown with white stripes
Cheiracanthiidae
Funnel Weaver (Agelenidae)
Tarantula (Theraphosidae)
Western Desert Tarantula (Aphonopelma chalcodes ); Color: Light brown or tan