Scorpions in California

Scorpions living in California
3species

Arizona bark scorpion, Giant desert hairy scorpion, Northern scorpion.

Arizona bark scorpion
Arizona bark scorpion. Photo: Matt Berger, CC BY 4.0, via Wikimedia Commons

How to recognize them

Arizona bark scorpion Centruroides sculpturatus

Giant desert hairy scorpion Hadrurus arizonensis

Northern scorpion Paruroctonus boreus

We list the scorpions people ask about most. The Southwest has more small species that we do not cover yet. In the US only the Arizona bark scorpion has a sting considered medically significant.

Counties with records

Shasta: Northern scorpionFresno: Northern scorpionSan Bernardino: Giant desert hairy scorpionTuolumne: Northern scorpionAlpine: Northern scorpionSiskiyou: Northern scorpionInyo: Giant desert hairy scorpion, Northern scorpionImperial: Giant desert hairy scorpionKern: Giant desert hairy scorpionLassen: Northern scorpionRiverside: Giant desert hairy scorpionMono: Northern scorpionSan Diego: Giant desert hairy scorpionLos Angeles: Giant desert hairy scorpion
Scorpions with open GBIF records, by county: 14 counties so far. Blank does not mean absent.

Active months

JanFeb: 5 records (scorpion)FebMar: 8 records (scorpion)MarApr: 17 records (scorpion)AprMay: 16 records (scorpion)MayJun: 8 records (scorpion)JunJul: 8 records (scorpion)JulAug: 24 records (scorpion)AugSep: 13 records (scorpion)SepOct: 9 records (scorpion)OctNovDec
Open records of scorpions in California by month; most fall in April to May, August to September.

Questions

How many scorpions are in California?

3 species live in the state: Arizona bark scorpion, Giant desert hairy scorpion and Northern scorpion.

Which scorpions in California are dangerous?

Arizona bark scorpion: bites or stings need medical care.

When are scorpions most active in California?

Most open records fall in April to May, August to September.

More for California

Scorpions in neighboring states