Are There Scorpions in Arizona?
Yes, scorpions are established throughout Arizona and are one of the state's most common arachnids. Arizona is home to about 40 scorpion species, though only one, the Arizona bark scorpion, has venom potent enough to cause significant medical effects in humans. Most scorpion stings in Arizona cause only localized pain and swelling similar to a bee sting.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.

Western Forest Scorpion · Seth CC BY

Black Hairy Scorpion · Public domain CC0

Southern Devil Scorpion · Alan Rockefeller CC BY
- 7,124
- GBIF records
Yes, scorpions are in Arizona. Next you'll want:
Verified species, source iNaturalist
37 types of scorpions recorded in Arizona
37 scorpion species have a verified observation record in Arizona, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
- No openly licensed photo yet1
- No openly licensed photo yet2
- No openly licensed photo yet3
- No openly licensed photo yet4
Yellow Devil Scorpion
Paravaejovis confusus
805 records - No openly licensed photo yet5
- No openly licensed photo yet6
Pseudouroctonus santarita
Pseudouroctonus santarita
175 records - No openly licensed photo yet7
Vaejovis deboerae
Vaejovis deboerae
129 records - No openly licensed photo yet8
- No openly licensed photo yet9
Cash's Scorpion
Vaejovis cashi
123 records - No openly licensed photo yet10
Ruby Rock Scorpion
Diplocentrus spitzeri
112 records - No openly licensed photo yet11
Pseudouroctonus apacheanus
Pseudouroctonus apacheanus
105 records - No openly licensed photo yet12
Vaejovis grahami
Vaejovis grahami
72 records
Also recorded in Arizona
| # | Species | Scientific name | Records |
|---|---|---|---|
| 13 | Vorhies' ScorpionVaejovis vorhiesi | Vaejovis vorhiesi | 70 |
| 14 | Black Hairy ScorpionHadrurus spadix | Hadrurus spadix | 62 |
| 15 | eastern sand scorpionParuroctonus utahensis | Paruroctonus utahensis | 46 |
| 16 | Russell's ScorpionChihuahuanus russelli | Chihuahuanus russelli | 43 |
| 17 | Uroctonites huachucaUroctonites huachuca | Uroctonites huachuca | 42 |
| 18 | Smeringurus vachoniSmeringurus vachoni | Smeringurus vachoni | 35 |
| 19 | Stahnkeus subtilimanusStahnkeus subtilimanus | Stahnkeus subtilimanus | 32 |
| 20 | Vaejovis electrumVaejovis electrum | Vaejovis electrum | 31 |
| 21 | Northern ScorpionParuroctonus boreus | Paruroctonus boreus | 28 |
| 22 | Gertschius agilisGertschius agilis | Gertschius agilis | 23 |
| 23 | Paruroctonus stahnkeiParuroctonus stahnkei | Paruroctonus stahnkei | 21 |
| 24 | Paruroctonus graciliorParuroctonus gracilior | Paruroctonus gracilior | 20 |
| 25 | Lesser Stripetail ScorpionChihuahuanus coahuilae | Chihuahuanus coahuilae | 18 |
| 26 | Pseudouroctonus moyeriPseudouroctonus moyeri | Pseudouroctonus moyeri | 18 |
| 27 | Stahnkeus allrediStahnkeus allredi | Stahnkeus allredi | 17 |
| 28 | Kochius hirsuticaudaKochius hirsuticauda | Kochius hirsuticauda | 14 |
| 29 | Beck's Desert ScorpionParuroctonus becki | Paruroctonus becki | 14 |
| 30 | Vaejovis paysonensisVaejovis paysonensis | Vaejovis paysonensis | 14 |
| 31 | Kochius colluviusKochius colluvius | Kochius colluvius | 13 |
| 32 | Serradigitus miscioneiSerradigitus miscionei | Serradigitus miscionei | 12 |
| 33 | Serradigitus wupatkiensisSerradigitus wupatkiensis | Serradigitus wupatkiensis | 11 |
| 34 | Pseudouroctonus kremaniPseudouroctonus kremani | Pseudouroctonus kremani | 11 |
| 35 | Paruroctonus baergiParuroctonus baergi | Paruroctonus baergi | 10 |
| 36 | Vaejovis lapidicolaVaejovis lapidicola | Vaejovis lapidicola | 10 |
| 37 | Vaejovis crumpiVaejovis crumpi | Vaejovis crumpi | 10 |
Plus 16 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations.
Yes, scorpions are established throughout Arizona and are one of the state's most common arachnids. Arizona is home to about 40 scorpion species, though only one, the Arizona bark scorpion, has venom potent enough to cause significant medical effects in humans. Most scorpion stings in Arizona cause only localized pain and swelling similar to a bee sting.
Are they in Arizona?
Scorpions are very common in Arizona and live throughout the state from low desert valleys to higher elevations. Arizona's warm, dry climate is ideal scorpion habitat. About 40 species of scorpions live in Arizona, with the Arizona bark scorpion being the most medically significant and most frequently encountered in homes and yards. Other common species include the striped bark scorpion and the northern scorpion. Scorpions are most active during the warm months from April through October, though they can be encountered year-round in heated buildings. Most Arizona residents and visitors will encounter scorpions at some point, particularly during nighttime outdoor activities in warmer months. If you are working to learn aboutScorpion in Arizona, understanding their presence and behavior is essential for living safely in the state.
How dangerous is it?
Most Arizona scorpion stings cause only localized pain and swelling similar to a wasp or bee sting. The Arizona bark scorpion, however, is the only North American scorpion species with venom potent enough to sometimes cause significant medical effects. Symptoms from an Arizona bark scorpion sting can include numbness, tingling, muscle spasms, and in rare cases, more serious effects, particularly in young children or elderly people. However, death from an Arizona bark scorpion sting is extremely rare, especially with prompt medical care. For healthy adults, an Arizona bark scorpion sting typically causes intense local pain and temporary numbness or tingling in the affected area. Most stings from other Arizona scorpion species are minor and require no medical treatment. The danger should be taken seriously but not to the point of panic. Prompt medical attention for any scorpion sting is recommended, and Poison Control can assess your symptoms.
How to recognize one
Arizona scorpions are generally small to medium-sized arachnids, typically ranging from two to three inches long, though some species grow larger. All scorpions have eight legs, prominent pincers at the front of their body, and a segmented tail that curves upward and ends in a stinger. Arizona scorpions vary in color from tan to reddish-brown to nearly black. The Arizona bark scorpion, the most medically significant species, is typically pale brown to yellowish in color, about two to three inches long, and has a relatively thin tail. They are slim-bodied compared to other scorpion species. All scorpions in Arizona are most active at night and hide in dark places during the day. They prefer cool, moist microhabitats and are often found under bark, logs, rocks, and in human structures. If you are learning aboutArizona wildlife, understanding scorpion identification will help you recognize them when encountered.
What to do if you are bitten or stung
If you are stung by a scorpion in Arizona, stay calm and remove yourself from the area where you encountered the scorpion. Wash the sting site with soap and water. Remove any rings or tight bracelets from the affected limb to prevent problems if swelling occurs. Apply a cold compress to reduce pain and swelling. Monitor the site and your symptoms carefully. If you experience pain, numbness, tingling, or other symptoms beyond minor local pain, seek medical attention. If symptoms include muscle spasms, difficulty breathing, blurred vision, or other neurological effects, seek emergency care immediately. This is general information, not medical advice; if you are bitten, call Poison Control at 1-800-222-1222, or 911 if symptoms are severe. Poison Control specialists are trained to help assess Arizona bark scorpion stings and can guide your care. Do not attempt field treatment like ice or medication without professional guidance.
How to prevent encounters
To reduce scorpion encounters in Arizona, seal all gaps and cracks in your home, including around doors, windows, and the foundation. Inspect areas where pipes and utilities enter the building. Use weather stripping on doors and window frames. Wear closed-toe shoes and long pants when outdoors, especially at night. Shake out clothing and shoes before wearing them. Inspect bedding and sleeping areas before use. Store items off the ground and away from walls. Remove potential harborage by clearing woodpiles, rock piles, and debris from around your home. Keep landscape mulch several inches away from the foundation. Prune tree branches and shrubs away from the roof. Use sticky traps near areas where scorpions might enter. When hiking in Arizona, consultour wildlife guidesfor comprehensive outdoor safety information. Flashlights with ultraviolet light can help spot scorpions at night.
Where in Arizona and when
Scorpions are found throughout Arizona, from the low desert valleys to higher elevations in the mountains. They are particularly common in the Phoenix metropolitan area, Tucson area, and throughout southern Arizona. Scorpion activity peaks during the warmer months from April through October, with peak activity in summer. During cooler winter months, scorpions are less active but can still be found, especially in heated buildings and protected microhabitats. Scorpions are nocturnal and are most commonly encountered at night when they emerge to hunt. Areas with brush, desert vegetation, and rocky terrain provide ideal habitat. Urban and suburban areas have high scorpion populations, and they readily enter homes and buildings seeking cooler, more humid environments.Wildlife in Arizonaincludes many fascinating species, and scorpions are among the most commonly encountered. The entire state provides suitable habitat for scorpions year-round.
Harmless lookalikes
While most arachnids in Arizona are harmless, pseudoscorpions are the creatures most likely to be confused with scorpions. Pseudoscorpions resemble tiny scorpions, typically one-quarter inch or smaller, with pincers but no visible tail or stinger. They are completely harmless and actually beneficial, feeding on small arthropods and pests. Some long-legged spiders might create a scorpion-like appearance from certain angles or viewing distances. Whip scorpions are occasionally found in Arizona and resemble scorpions but lack venom and are harmless. Vinegaroons, also called whip scorpions, have a scorpion-like appearance but are not dangerous. Various spiders found in Arizona, including hunting spiders and web-builders, might cause confusion but are not venomous to humans. Wolf spiders, though intimidating in appearance and quick in movement, are harmless to people. Understanding these distinctions can ease concerns when encountering any arachnid.
Frequently Asked Questions
Q: Are Arizona scorpions deadly? A: Arizona bark scorpion stings can cause serious symptoms in rare cases, but death is extremely uncommon, especially with prompt medical care. Most scorpion stings cause only localized pain similar to a bee or wasp sting.
Q: How common are scorpion stings in Arizona? A: Scorpion stings are relatively common in Arizona, occurring hundreds of times per year, but severe stings are uncommon. Most stings occur during warm months when people are active outdoors and scorpions are hunting.
Q: What attracts scorpions to a house? A: Scorpions are attracted to homes seeking moisture, cooler temperatures, and food (insects and small arthropods). Cracks, crevices, and cluttered areas provide shelter. Eliminating these conditions reduces encounters.
Q: What should I do if I see a scorpion? A: Leave it alone if possible. If it is in your home or poses a threat, carefully capture it with a broom and dustpan or use a cup and paper, then release it outside away from the home. Refer toArizona wildlife guidefor more information on living safely with scorpions.
Plan your scorpion sighting in Arizona
7,124 verified scorpion records have been logged in Arizona, most recently in 2026. See the GBIF records.
Where to look in Arizona
- Chiricahua National Monument · Wildlife Watching, Birdwatching · Find hotels
- Coronado National Memorial · Wildlife Watching, Birdwatching · Find hotels
- Fort Bowie National Historic Site · Wildlife Watching, Birdwatching · Find hotels
- Grand Canyon National Park · Wildlife Watching, Birdwatching · Find hotels
- Lake Mead National Recreation Area · Wildlife Watching · Find hotels
- Montezuma Castle National Monument · Wildlife Watching, Birdwatching · Find hotels
Frequently asked questions
Are they in Arizona?+
Scorpions are very common in Arizona and live throughout the state from low desert valleys to higher elevations. Arizona's warm, dry climate is ideal scorpion habitat. About 40 species of scorpions live in Arizona, with the Arizona bark scorpion being the most medically significant and most frequently encountered in homes and yards. Other common species include the striped bark scorpion and the northern scorpion. Scorpions are most active during the warm months from April through October, though they can be encountered year-round in heated buildings. Most Arizona residents and visitors will encounter scorpions at some point, particularly during nighttime outdoor activities in warmer months. If you are working to learn aboutScorpion in Arizona, understanding their presence and behavior is essential for living safely in the state.
How dangerous is it?+
Most Arizona scorpion stings cause only localized pain and swelling similar to a wasp or bee sting. The Arizona bark scorpion, however, is the only North American scorpion species with venom potent enough to sometimes cause significant medical effects. Symptoms from an Arizona bark scorpion sting can include numbness, tingling, muscle spasms, and in rare cases, more serious effects, particularly in young children or elderly people. However, death from an Arizona bark scorpion sting is extremely rare, especially with prompt medical care. For healthy adults, an Arizona bark scorpion sting typically causes intense local pain and temporary numbness or tingling in the affected area. Most stings from other Arizona scorpion species are minor and require no medical treatment. The danger should be taken seriously but not to the point of panic. Prompt medical attention for any scorpion sting is recommended, and Poison Control can assess your symptoms.
More wildlife in Arizona