Scorpions In Our Cities

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When people worry about desert pests living in our cities, scorpions come to mind. They are prehistoric and vicious-looking creatures. Yet, scorpions’ stings are painful but rarely are they life-threatening. Young children and older adults are most at risk of serious complications. The Bark scorpion is the only scorpion species with venom potent enough to cause severe symptoms.

In Phoenix, scorpion season often begins in March and lasts until October. However, the Bark scorpion species are active throughout the entire year. Most of the alleys in the Greater Phoenix area are composed of concrete block walls. These walls are by far the preferred habitat for scorpions in Phoenix. There is plenty of outdoor habitat for scorpions. 

Desert-dwelling insects search for irrigation run-offs or standing pools of water as outdoor temperatures increase. Scorpions are nocturnal pests and are most active during the night. They often emerge to search for water and prey.  You should remove debris around your home and limit irrigation from forming puddles of water.

The trick is to keep them out of our homes. Scorpions live in groups, feeding on insects like flies and small insects. When you see one or two scorpions in or around your home, there is a good chance you have a more significant insect problem that is attracting them. You can help reduce scorpion infestations by keeping your home and floors clean and taking other precautions.


Most scorpions are ground dwellers that like to hide in dark spaces. Scorpions will hide in small piles of debris on your property, close to the structure. Keep vegetation, firewood, rocks, bark, and clutter away from your house.

The Bark scorpion is challenging to control because, unlike other scorpions, it’s a climber. Caulk around all doors and windows to keep them out of a home. Be sure window screens and weather stripping are in excellent condition. 

Spreading treatment granules in a two-to-five-foot area around all sides of your home can keep other scorpions away. Dust-type chemicals are generally the best way to control scorpions. Ingredients for products that contain scorpions are carbaryl, cyfluthrin, and bifenthrin. Packaged sprays work relatively well when applied directly to the pests. However, there is little long-term benefit from spraying that will keep other scorpions away.

Check Your Attic

The Bark scorpion can crawl into attic spaces to nest. It may be necessary to have your attic inspected and treated. If you suspect a severe scorpion problem, including scorpions nesting in the attic, it is probably time to contact a professional.

Do You Need Pest Control Help?

The 123HELP APP Approved pest control, and removal contractors are happy to speak with homeowners about pest problems. The contractors will share advice and, of course, will discuss treatment options.