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Field guide

Which Arizona scorpion did you find?

Look at the pincers and tail together. Bark scorpions have slender pincers and tails; stripe-tailed scorpions are stockier, and adult giant hairy scorpions are much larger. Color or location alone cannot confirm a species.

Which Arizona scorpion did you find by NEARPEST
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Three common Arizona scorpions

Adult sizes and field clues
ScorpionAdult sizeWhat to look for
Arizona bark scorpionCentruroides sculpturatusAbout 2–3 inchesSlim pincers and a long, narrow tail. Color and markings vary; climbs well.
Arizona stripe-tailed scorpionParavaejovis spinigerusUnder 3 inchesStockier pincers and tail than a bark scorpion; a burrowing species.
Arizona giant hairy scorpionHadrurus arizonensisOften over 5 inchesLarge, heavy body, often with a darker back and pale sides; shelters under rocks or in burrows.

These clues are not a complete identification key. Other species occur in Arizona. Do not handle a scorpion to inspect it; use a photo taken from a safe distance.

Source: University of Arizona Cooperative Extension: Scorpions of the Desert Southwest. UV-light guidance: UC IPM.

What should you do after a sighting?

Keep people and pets away and avoid handling the scorpion. Record where and when you saw it, and take a photo from a safe distance if possible. Repeated indoor sightings are a reason to inspect entry points and nearby hiding places.

Scorpion protection for your home

Standard scorpion control is included in General Pest Protection. Scorpion Sealing / Exclusion is a separate service from $399. Recurring visits include treatment and attention to common entry points; structural sealing and exclusion cost extra.

Common questions

Does a scorpion on a wall have to be a bark scorpion?

Bark scorpions climb well, but the location alone is not enough for an identification. Compare the pincers, tail, and body shape.

Does one scorpion mean there is an infestation?

One sighting does not show how many scorpions are present. Record the location and date, and request an inspection if indoor sightings repeat.

Can a blacklight identify the species?

UV light can help you find scorpions, but the glow does not identify the species. Use several visible features and a safely taken photo.

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