Bug guide
The Arizona bark scorpion is the scorpion most often found inside Phoenix Valley homes. It hides by day, hunts at night, and climbs walls and ceilings with ease. Here is how they get in, what draws them to your property, and what you can do about it.
Most venomous scorpion in North America
Through openings smaller than you would expect. A bark scorpion can flatten its body to slip through a gap about as thin as a credit card, so a worn door sweep or an unsealed weep hole is all it takes.
They are also strong climbers. Bark scorpions scale stucco, block walls and tree trunks to reach roof lines, attic vents and upper windows, which is why sightings often happen in bathrooms, ceilings and bedrooms, not just at ground level.
Food, moisture and shelter. Bark scorpions feed on crickets, roaches and other insects, so a yard with plenty of insect activity can support plenty of scorpions.
During the day they hide in cool, protected spots like rock landscaping, wood piles, palm trees and debris. In the hottest months, irrigation and leaks pull them closer to the house in search of moisture.
Make your home harder to enter and your yard less inviting. Sealing entry points does the most good, and cutting back on clutter and insect activity removes the reasons they stay.
Scorpions can go long stretches without food and are hard to kill with store-bought sprays, so these steps work best alongside a professional plan.
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