Arizona species

    Arizona bark scorpion

    Centruroides sculpturatus

    Arizona bark scorpion mother carrying babies on her back
    Photo: Ken-ichi Ueda, CC BY 4.0, via iNaturalist
    Medically significant

    How to identify

    • Slender pale yellow-tan body.
    • Thin pincers.
    • Climbs walls and ceilings.
    • Tail curls to the side at rest.
    • Glows under blacklight.
    Size
    Length including tail: about 2 to 3 inches.
    Habitat
    Wall crevices, bark and sheltered spaces near homes.
    Where in Arizona
    Low desert Arizona, including warmer Gila Valley areas.

    Look-alikes

    Prevention

    • Seal door gaps and wall openings.
    • Move wood and debris away from the house.
    • Shake out shoes and gloves.
    • Reduce insect activity near entry points.

    Call Hydra for scorpions indoors or repeated activity near doors. For stings, call Arizona Poison Control at 1-800-222-1222.

    When to call Hydra

    Call or text us, we answer both. Or send us your details and we'll come back with a free quote.

    Frequently asked questions

    Why does this species matter?

    It is the most medically important scorpion in the US.

    Does glowing identify a bark scorpion?

    No. Other scorpions glow too. Body shape and climbing behavior help with identification.