Arizona Scorpion Species Guide
Devil Scorpion
Stripe-Tailed Scorpion Identification, Size, Habitat & Behavior
The Devil Scorpion, also commonly called the stripe-tailed scorpion, is an Arizona ground-dwelling species recognized by its sturdy body, relatively thick tail and dark ridges along the underside of the tail. Its appearance and behavior make it noticeably different from the more slender Arizona bark scorpion.
Quick Identification
What Does a Devil Scorpion Look Like?
Devil Scorpions are medium-sized, sturdy scorpions with a comparatively thick tail and dark longitudinal markings along the underside of the tail. They are more robust than Arizona bark scorpions but much smaller than Desert Hairy Scorpions.
Arizona Species
What Is a Devil Scorpion?
The Devil Scorpion is commonly known as the stripe-tailed scorpion and is classified as Hoffmannius spinigerus. Older references may list the species as Vaejovis spinigerus.
It is a widespread Arizona species that typically spends daylight hours beneath rocks, debris or other protected ground-level shelter and becomes active after dark.
Distinctive Feature
Why Is It Called a Stripe-Tailed Scorpion?
The stripe-tailed name comes from dark ridges that run lengthwise along the underside of the scorpion’s tail. These markings can help distinguish it from other common Arizona scorpions.
Because lighting and coloration can vary, identification should rely on several traits together, including body shape, tail thickness, habitat and behavior.
Identification Features
How to Identify a Devil Scorpion
The best identification comes from comparing several visible characteristics rather than relying on color alone.
Medium Size
Devil Scorpions are substantially smaller than Desert Hairy Scorpions but generally have a sturdier appearance than bark scorpions.
Stout Tail
The tail has a thicker, more robust appearance than the slender tail of an Arizona bark scorpion.
Dark Tail Ridges
Dark longitudinal ridges along the underside of the tail are an important identification feature.
Ground-Oriented
They are commonly encountered beneath rocks and around ground-level shelter rather than climbing structures.
Size
How Big Do Devil Scorpions Get?
Stripe-tailed or Devil Scorpions are medium-sized scorpions. Adults are commonly around two inches long, although size can vary between individuals.
Their sturdy proportions can make them appear larger than their actual length, particularly when compared with a slender Arizona bark scorpion.
Habitat
Where Do Devil Scorpions Live in Arizona?
Devil Scorpions occupy a broad range of Arizona environments. They may be found from low desert areas to rocky hillsides and other suitable upland habitats.
Behavior
Are Devil Scorpions Ground-Dwelling?
Yes. Devil Scorpions are primarily ground-dwelling and are commonly associated with rocks, soil, debris and protected spaces near ground level.
That behavior contrasts with the Arizona bark scorpion, which is particularly well adapted for climbing walls, trees and other vertical surfaces.
Nighttime Activity
When Are Devil Scorpions Active?
Devil Scorpions are primarily nocturnal. During daylight hours they typically remain beneath rocks, inside shallow burrows or within other protected hiding places.
At night they emerge to search for prey. Like other scorpions, they fluoresce under ultraviolet light, which can make nighttime observation easier.
Predatory Behavior
What Do Devil Scorpions Eat?
Devil Scorpions are nocturnal predators that feed primarily on insects and other small arthropods.
Their prey can include crickets, cockroaches, spiders and other small creatures encountered while foraging at night.
Species Comparison
Devil Scorpion vs. Arizona Bark Scorpion
These species differ in body shape, habitat and behavior, making them easier to distinguish once you know what to look for.
Devil / Stripe-Tailed Scorpion
Build: Sturdy
Tail: Relatively thick with dark ridges
Habitat: Ground, rocks and soil
Behavior: Primarily ground-dwelling
Arizona Bark Scorpion
Build: Slender
Tail: Slender
Habitat: Crevices, walls and trees
Behavior: Strong climber
Another Arizona Comparison
Devil Scorpion vs. Desert Hairy Scorpion
Both species spend much of their time near the ground, but their size and physical appearance are substantially different.
Devil Scorpion
Medium-sized, sturdy and typically associated with rocks, ground-level shelter and shallow burrows.
Desert Hairy Scorpion
Much larger, heavier-bodied, equipped with powerful pincers and strongly associated with deeper desert burrows.
Sting Risk
Are Devil Scorpions Dangerous?
Devil Scorpions can sting defensively, and a sting may cause localized pain and discomfort. Their venom is not considered medically comparable to the Arizona bark scorpion, which is Arizona’s scorpion species of greatest medical concern.
If someone is stung by a scorpion, contact Poison Control at 1-800-222-1222 for case-specific guidance. Seek emergency medical care for severe symptoms or a medical emergency.
Around Your Property
What Should You Do If You Find a Devil Scorpion?
Avoid direct handling and keep children and pets away. If the scorpion is outdoors near natural habitat, it may simply be part of the surrounding ecosystem.
If scorpions are repeatedly appearing indoors, inspect doors, garages, utility penetrations and other potential entry points. Repeated activity can also justify looking at prey insects and hiding areas around the property.
Arizona Scorpion Species
How Common Are Devil Scorpions in Arizona?
Stripe-tailed or Devil Scorpions are widespread in Arizona and occur across a variety of desert and rocky habitats. They are one of several common species homeowners may encounter around natural desert areas and developed properties.
Devil Scorpion FAQ
Frequently Asked Questions About Devil Scorpions
Is a Devil Scorpion the same as a stripe-tailed scorpion?
How large are Devil Scorpions?
Where do Devil Scorpions hide during the day?
Can Devil Scorpions climb walls?
Do Devil Scorpions glow under a blacklight?
Are Devil Scorpion stings dangerous?
Arizona Scorpion Resource Center
Learn More About Arizona Scorpions
Explore related species, safety, prevention and control information in our Arizona scorpion resource cluster.
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