Striped Bark Scorpion in Oklahoma: Complete Identification, Risks & Control Guide |

Quick Reference Table

Feature	Details
Scientific Name	Centruroides vittatus
Classification	Class Arachnida, Order Scorpiones, Family Buthidae
Size	Adults up to 2 3/4 inches (70 mm)
Color	Pale yellowish-tan with two dark longitudinal stripes on the back and a dark triangle above the eyes
Lifespan	Adults: 2 to 5 years; takes 3 to 4 years to reach maturity
Diet	Insects, spiders, centipedes, other small arthropods
Active Season	Spring through fall in Oklahoma; peak indoor entries May through October
Threat Level	Low to Moderate (painful sting, not medically significant for healthy adults)
Common in OKC Metro	Yes, found throughout the metro area, especially in homes near undeveloped land, rock features, and older construction

The striped bark scorpion is the most common scorpion species in Oklahoma and the one you are most likely to encounter inside your home. According to OSU Extension (EPP-7303), Oklahoma has 3 to 5 scorpion species, but the striped bark scorpion accounts for the vast majority of indoor encounters. These pale yellowish-tan arachnids are identified by two dark stripes running down the back and a dark triangle marking above the eyes. They are nocturnal predators that hide during the day under rocks, bark, boards, and debris, and become active after dark to hunt insects. In the OKC metro, scorpions enter homes seeking shelter, moisture, and prey, particularly during hot, dry Oklahoma summers. Their sting is painful but not considered medically dangerous for healthy adults. If you are finding scorpions inside your home, contact Alpha Pest Solutions at (405) 977-0678 for a free inspection.

Identifying Striped Bark Scorpions in Oklahoma

The striped bark scorpion is a medium-sized scorpion, rarely exceeding 2 3/4 inches in length. Key identifying features include:

Color: Uniform pale yellowish-tan body.
Markings: Two dark longitudinal stripes running along the top of the abdomen (opisthosoma), with a dark triangle above the ocular tubercle (the raised area between the eyes on top of the head).
Body structure: Eight legs, two large pincers (pedipalps), and a five-segmented tail (metasoma) that curves over the back, ending in a bulb-shaped venom gland (telson) and stinger (aculeus).
Size comparison: An adult is roughly the length of a credit card’s short edge. Juveniles are significantly smaller and lighter in color, making them harder to spot.

All scorpions fluoresce bright blue-green under ultraviolet (black) light. This is the most effective way to find scorpions at night. A handheld UV flashlight will reveal scorpions that are invisible under normal lighting, even on matching surfaces.

Scorpions vs. Other Arachnids

Scorpions are sometimes confused with vinegaroons (whip scorpions) or pseudoscorpions, both of which are found in Oklahoma. Vinegaroons are larger, darker, lack the curved stinging tail, and spray acetic acid (vinegar smell) when threatened. Pseudoscorpions are tiny (under 1/4 inch), have oversized pincers relative to their body, and completely lack a tail. Neither vinegaroons nor pseudoscorpions are venomous. If the creature has a curved tail with a stinger, it is a true scorpion.

Types Found in Oklahoma

According to OSU Extension, Oklahoma has 3 to 5 scorpion species. The striped bark scorpion (Centruroides vittatus) is by far the most common and the species responsible for nearly all indoor encounters. Other species occasionally found in Oklahoma include:

Texas cave scorpion (Pseudouroctonus reddelli): Dark brown to black, found primarily in rocky areas of southern Oklahoma. Rarely enters homes.
Plains scorpion (Diplocentrus species): Stockier build, darker color, found in western and southwestern Oklahoma.

None of the scorpion species found in Oklahoma are considered dangerously venomous. The striped bark scorpion’s sting is the most commonly reported and is medically comparable to a wasp sting for healthy adults.

Diet, Behavior, and Habitat

Scorpions are nocturnal predators. During the day, they hide in dark, protected spaces: under rocks, loose bark, boards, debris, leaf litter, and inside cracks and crevices. After dark, they emerge to hunt insects, spiders, centipedes, and other small arthropods. They locate prey primarily through vibration detection.

Striped bark scorpions are excellent climbers. Unlike many scorpion species that stay on the ground, bark scorpions climb trees, fences, walls, and the exterior of homes. This climbing ability is what makes them so effective at entering structures. They can climb stucco, brick, stone, and rough wood surfaces.

Scorpions can survive extended periods without food or water. They have extremely low metabolic rates and can go months without eating. This resilience means that a scorpion inside your home can survive for a long time even without a visible food source.

They are solitary animals for most of the year but may aggregate in protected overwintering sites during cold months. Finding multiple scorpions in the same area during winter suggests a communal harborage point.

Life Cycle and Reproduction

Scorpion reproduction is unique among common Oklahoma pests:

Mating: Occurs in fall, spring, and early summer. Males perform an elaborate courtship dance, grasping the female’s pincers and guiding her over a deposited sperm packet.

Gestation: Approximately 8 months. Embryos develop inside the female and are nourished via a placental-like connection.

Birth: Females give live birth (not eggs). Broods average around 30 young but can contain up to 50. Newborn scorpions are white and soft-bodied.

Maternal care: Newborns climb onto the mother’s back immediately after birth and ride there for 5 to 15 days until their first molt. After the first molt, they disperse and live independently.

Development: Young scorpions molt an average of 6 times before reaching maturity. It takes 3 to 4 years to reach adulthood. Adults may live an additional 2 to 5 years.

This slow development and long lifespan mean that scorpion populations build gradually. A scorpion problem on your property has likely been developing for years before you notice indoor entries.

What Attracts Scorpions to Oklahoma Homes

Scorpions enter homes for three reasons: shelter, moisture, and prey. Oklahoma-specific conditions that attract scorpions include:

Hot, dry summers: Oklahoma’s intense summer heat drives scorpions toward the cooler, more humid environment inside homes. This is the primary trigger for indoor entries from May through September.
Insect prey around the home: Outdoor lighting attracts insects, which in turn attracts scorpions. Homes with porch lights, landscape lighting, or security lights left on at night draw scorpions to the foundation.
Rock landscaping and retaining walls: Decorative rock, flagstone patios, rock retaining walls, and stone mulch provide ideal daytime harborage directly adjacent to the home.
Firewood and debris piles: Stacked firewood, lumber, bricks, and debris near the foundation give scorpions shelter within steps of entry points.
Foundation gaps and cracks: Scorpions can fit through gaps as narrow as a credit card’s thickness. Expansion joints, weep holes in brick, gaps around utility penetrations, and cracks in slab foundations are common entry points.
Proximity to undeveloped land: Properties adjacent to pastures, fields, wooded areas, or undeveloped lots see heavier scorpion pressure because of the large outdoor population nearby.
Trees and vegetation touching the structure: Scorpions climb trees and shrubs and can drop onto roofs or enter through soffit gaps.
Crawlspaces: Homes with crawlspaces, especially in older parts of the OKC metro like Norman, Heritage Hills, Mesta Park, and Del City, provide direct access to the interior.

Where Found in OKC Metro

Striped bark scorpions are found across the entire OKC metro, but some areas see heavier pressure:

Edmond and north OKC: Properties near Arcadia Lake, undeveloped acreage, and newer subdivisions built on previously undisturbed land see consistent scorpion pressure.
Norman: Older homes with crawlspaces and properties near the Canadian River corridor and Lake Thunderbird.
Yukon and Mustang: Properties adjacent to open pasture and farmland.
Choctaw and Harrah: Rural-suburban interface with abundant natural scorpion habitat.
Nichols Hills and The Village: Less common but still present, especially in homes with rock landscaping and mature trees.
Any property bordering undeveloped land: The transition zone between natural habitat and residential development is where scorpion encounters are highest.

Where Found Inside Homes

Scorpions seek dark, cool, protected spaces inside homes:

Shoes and clothing on the floor: One of the most common encounters. Scorpions crawl into shoes, boots, and clothing left on the floor overnight.
Bathrooms: Around tubs, showers, sinks, and toilets where moisture collects. Scorpions are often found in bathtubs because they can climb in but cannot climb the smooth porcelain walls to get out.
Closets: Dark, undisturbed spaces, especially floor-level.
Garages: Cluttered, dark areas with boxes and stored items provide abundant harborage.
Under beds and furniture: Dark spaces close to the floor.
Wall voids and attics: Scorpions that enter through soffit gaps or roof-level openings may be found in attic insulation or inside wall cavities.
Kitchen cabinets: Particularly under sinks where moisture and darkness combine.
Around door frames and window sills: Near entry points where they first enter the home.

Safety tip: Always shake out shoes, boots, gloves, and clothing that has been on the floor or in a closet before putting them on. This simple habit prevents most scorpion stings inside Oklahoma homes.

Signs of Infestation

Live scorpion sightings at night: Seeing one scorpion indoors likely means more are present. For every scorpion you see, there are typically several you do not.
UV flashlight detection: A black light inspection after dark reveals scorpions fluorescing bright blue-green on exterior walls, foundations, fences, and in the yard. This is the most effective survey method.
Scorpions in bathtubs or sinks: They climb in and cannot climb out of smooth surfaces.
Scorpions in shoes or clothing: Finding one in clothing indicates they are moving through your living space at night.
Dead scorpions: Finding dead or dying scorpions indoors, especially after pest treatments, indicates an active population.
Presence of prey insects: Heavy cricket, beetle, or spider activity around the foundation attracts scorpions.

How to Tell If the Infestation Is Active

UV night inspection: After dark, use a handheld UV flashlight to walk the exterior foundation, fence line, and yard. Count the scorpions you find. More than 2 to 3 on the foundation walls indicates significant pressure.
Sticky trap monitoring: Place sticky traps (glue boards) along baseboards in the garage, bathrooms, and near exterior doors. Check weekly. Catching scorpions confirms active entry.
Seasonal pattern: If you find scorpions indoors primarily between May and October, you have a seasonal entry problem driven by heat and drought. If you find them year-round, they may be overwintering inside the structure.
Check the perimeter after rain: Scorpions often emerge from hiding spots after rainfall. A post-rain UV inspection can reveal population density around your home.

Scorpion Season in Oklahoma

March through April: Scorpions become active as temperatures warm. Early-season sightings outdoors begin. Indoor entries are less common this early.
May through June: Activity increases sharply. Mating activity and warming nights bring scorpions to the surface. Indoor entries begin as scorpions climb exterior walls.
July through September: Peak season. Hot, dry conditions drive scorpions toward moisture and cooler air inside homes. This is when most indoor encounters occur.
October through November: Activity slows as temperatures drop. Scorpions seek overwintering shelter, sometimes inside structures.
December through February: Largely dormant. Scorpions that overwintered indoors may be found occasionally in heated homes.

Health Risks

The striped bark scorpion’s sting is painful but generally not medically significant for healthy adults. According to OSU Extension, the scorpion species found in Oklahoma are not considered dangerously venomous.

What a sting feels like: Sharp, immediate pain similar to a wasp sting, lasting 15 to 20 minutes on average. Localized swelling, redness, and numbness around the sting site are common. Symptoms typically resolve within a few hours.

Who is at higher risk:

Young children
Elderly adults
Individuals with compromised immune systems
People with known allergies to arthropod venom

When to seek medical attention: Seek medical care if the person who was stung experiences difficulty breathing, swelling of the face or throat, rapid heartbeat, nausea or vomiting, muscle twitching, or any systemic reaction beyond localized pain and swelling. Children under 5 who are stung should be monitored closely.

First aid: Apply ice to the sting site to reduce pain and swelling. Clean the area with soap and water. Over-the-counter pain relievers can help manage discomfort.

Property and Structural Damage

Scorpions do not cause structural damage. They do not chew, burrow, nest in building materials, or damage wood, wiring, or insulation. The concern with scorpions is entirely about human safety and comfort. Their presence inside a home indicates entry point issues that may also allow other pests to enter.

Prevention

Preventing scorpion entry focuses on eliminating harborage, sealing entry points, and reducing prey:

Seal all entry points. Caulk cracks in the foundation, gaps around doors and windows, utility penetrations, and expansion joints. Scorpions fit through incredibly narrow gaps. Install door sweeps on all exterior doors and weather stripping on garage doors.
Replace outdoor lighting. Switch exterior lights to yellow or amber bulbs, which attract fewer insects. Fewer insects around the home means less scorpion prey. Consider motion-activated lights instead of lights that stay on all night.
Remove harborage near the foundation. Clear rock piles, stacked firewood, lumber, bricks, leaf litter, and debris within 10 feet of the home.
Manage rock landscaping. If you have decorative rock or stone mulch, keep it at least 12 inches from the foundation. Rock holds heat during the day and attracts scorpions at night.
Trim trees and vegetation. Cut branches at least 12 inches from the roof and exterior walls. Remove ground-level vegetation touching the foundation.
Reduce moisture around the foundation. Fix irrigation overspray, leaking faucets, and poor drainage. Standing water attracts the insects that scorpions eat.
Store firewood at least 20 feet from the house and elevated off the ground.
Declutter garages and storage areas. Reduce hiding spots by organizing items off the floor and into sealed plastic bins instead of cardboard boxes.
Shake out shoes and clothing. Make this a habit for all family members, especially during peak season (May through October).
Use sticky traps. Place glue boards along baseboards in the garage, bathrooms, and near exterior doors as an early warning system and supplemental control.

Treatment Process

Professional scorpion treatment combines direct elimination with long-term exclusion and prey reduction:

Step 1: Inspection. An Alpha Pest Solutions technician inspects the interior and exterior of the home during both daytime and, ideally, with UV light after dark to assess population size and locate harborage areas.

Step 2: Exterior Perimeter Treatment. A residual insecticide is applied around the foundation, along fence lines, around rock features, and in other identified harborage areas. This creates a chemical barrier that kills scorpions as they cross the treated zone.

Step 3: Interior Treatment. Targeted application to baseboards, entry points, bathrooms, garages, and other areas where scorpions have been found.

Step 4: Prey Reduction. Treating for crickets, beetles, spiders, and other prey insects removes the food source that attracts scorpions to the property. This is essential for long-term control.

Step 5: Entry Point Recommendations. We identify specific gaps, cracks, and openings that scorpions are using and provide recommendations for sealing them. Exclusion is the most important long-term control measure.

Step 6: Ongoing Prevention. A recurring general pest control plan that maintains perimeter treatments and controls prey insect populations is the most effective long-term approach to scorpion management.

Treatment Timeline and Expectations

Days 1 through 7: You may still see scorpions indoors, especially ones that entered before treatment. Scorpions have low metabolic rates and may take longer to pick up a lethal dose of insecticide than faster-moving insects.
Weeks 2 through 4: Indoor sightings should decrease significantly as the perimeter barrier takes effect and prey insect populations decline.
Months 1 through 3: Continued decline. Scorpions already inside wall voids or attic spaces may emerge as they exhaust their resources.
Ongoing: Because scorpions live 2 to 5 years as adults and take 3 to 4 years to mature, complete population suppression around a property takes time. Consistent quarterly or bimonthly treatments provide the best results.

Scorpion control is a long-term management process, not a one-time fix. Alpha Pest Solutions includes scorpion control as part of our general pest control recurring plans.

Frequently Asked Questions

Are scorpions common in Oklahoma?

Yes. The striped bark scorpion is found throughout Oklahoma and is especially common in the OKC metro area. According to OSU Extension, Oklahoma has 3 to 5 scorpion species, with the striped bark scorpion being by far the most frequently encountered. Properties near undeveloped land, rock features, or creek corridors see the heaviest scorpion pressure, but they are found in urban neighborhoods as well.

How dangerous is a scorpion sting in Oklahoma?

For healthy adults, a striped bark scorpion sting is painful but not medically dangerous. OSU Extension confirms that scorpion species found in Oklahoma are not considered dangerously venomous. The sting causes sharp pain lasting 15 to 20 minutes, with localized swelling and numbness. Children, elderly adults, and individuals with compromised immune systems should be monitored more closely after a sting. Seek medical attention for any systemic reaction.

Why am I finding scorpions in my bathtub?

Scorpions are attracted to bathrooms because of the moisture. They can climb rough exterior walls and enter through gaps near plumbing or under doors. Once inside, they seek moisture around tubs, showers, and sinks. They end up trapped in bathtubs because they can climb in using the rough exterior but cannot climb the smooth porcelain walls to get out. Finding a scorpion in your bathtub is a strong indicator that more are entering your home.

Do scorpions glow under black light?

Yes. All scorpion species fluoresce bright blue-green under ultraviolet (black) light. This fluorescence is caused by compounds in their exoskeleton. A handheld UV flashlight is the single most effective tool for detecting scorpions at night. Walking your foundation and yard after dark with a UV light will reveal scorpions that are completely invisible under normal lighting.

Can scorpions climb walls?

Yes. Striped bark scorpions are excellent climbers, which is part of what earns them the common name “bark” scorpion. They readily climb stucco, brick, stone, rough wood, and tree bark. They can climb the exterior of your home, enter through soffit gaps or roof-level openings, and be found in attics, upper-floor rooms, and ceilings. They cannot climb smooth surfaces like glass, polished metal, or porcelain.

What time of year are scorpions most active in Oklahoma?

July through September is peak scorpion season in Oklahoma. Hot, dry conditions drive scorpions toward the cooler, more humid environment inside homes. Activity begins increasing in May and remains elevated through October. During winter months (December through February), scorpions are largely dormant, though those overwintering inside heated homes may still be encountered occasionally.

How do I keep scorpions out of my house?

Seal every gap you can find. Scorpions fit through openings as narrow as a credit card. Install door sweeps, seal cracks in the foundation, caulk around windows and pipes, and address weep holes in brick with mesh screens. Remove rock piles, firewood, and debris from near the foundation. Switch exterior lighting to yellow or amber bulbs to reduce insect prey. A recurring pest control plan that maintains a perimeter barrier is the most effective long-term prevention.

Will cats or chickens eat scorpions?

Some cats do hunt and eat scorpions, but this is not a reliable control method and puts the animal at risk of being stung. Chickens eat scorpions and are more effective predators, but keeping chickens is not practical for most OKC metro homeowners. Professional pest control combined with exclusion and habitat modification is far more effective than biological control for residential scorpion management.

Do scorpion babies ride on the mother’s back?

Yes. Female striped bark scorpions give live birth to an average of 30 young per brood. The white, soft-bodied newborns immediately climb onto the mother’s back and ride there for 5 to 15 days until their first molt. After molting, they disperse and live independently. Encountering a female scorpion carrying young indicates an active breeding population on your property.

Can one scorpion mean there are more?

Almost always. Scorpions are solitary, but their presence indicates your property provides suitable habitat. For every scorpion you see indoors, there are typically several more you do not see. A UV flashlight inspection around the exterior foundation after dark will give you a better picture of the actual population. If you find multiple scorpions on the foundation, professional treatment is warranted.

Is it true that small scorpions are more dangerous than large ones?

This is a common myth. In Oklahoma, small scorpions are simply juvenile striped bark scorpions. Their venom is the same composition as adults, and their smaller venom yield means their sting is generally less painful, not more dangerous. The idea that baby scorpions cannot control their venom is not supported by scientific evidence.

How long can a scorpion survive inside my house?

Scorpions have extremely low metabolic rates and can survive months without food. They can go significant periods without water as well, though they are attracted to moisture sources. A scorpion inside your wall void or attic can survive for a very long time without any visible food source. This is why active treatment, not just waiting them out, is necessary.

Do scorpions come inside after rain?

Yes. Rainfall can flush scorpions from outdoor harborage sites, driving them toward the dry interior of your home. Post-rain scorpion activity is often noticeable, especially after heavy Oklahoma thunderstorms. Inspect after storms and keep entry points sealed year-round.

Should I kill a scorpion if I find one inside?

Yes, remove it safely. The most effective method is to place a glass jar or container over the scorpion, slide a piece of cardboard under it, and dispose of it outside or crush it. Avoid handling scorpions with bare hands. Use tongs, thick gloves, or a container. If you prefer not to handle it, contact Alpha Pest Solutions for a same-day service call.

Does general pest control cover scorpions?

Yes. Alpha Pest Solutions includes scorpion management as part of our general pest control recurring plans. The perimeter treatment that controls ants, roaches, spiders, and other crawling pests also provides a barrier against scorpions. The prey reduction component of general pest control (controlling crickets, beetles, and other insects) removes the food source that attracts scorpions to your property in the first place.

Related Services and Pests

Scorpions are a long-term management challenge, not a one-time fix. If you are finding scorpions inside your home, in your shoes, or in your bathtub, call Alpha Pest Solutions today at (405) 977-0678 for a free inspection. We will identify entry points, treat the population, and set up a recurring plan that keeps scorpions out. Serving the entire OKC metro, including Oklahoma City, Norman, Edmond, Midwest City, Yukon, Mustang, Bethany, Del City, Choctaw, and Piedmont. Monday through Friday, 8am to 6pm.