Wolf Spiders in Utah

Wolf spiders are another common household pest in Utah. They may look intimidating because of their size and speed, but they are generally not dangerous to humans. Still, their sudden appearance in homes and yards can be unsettling, especially when they move quickly across floors or walls. Here’s what you should know about wolf spiders and how to keep them out of your home.

What wolf spiders look like

Wolf spiders are usually larger and sturdier than many other spiders found in Utah. Adult wolf spiders range from half an inch to more than one inch in body length, not including their long legs. Their color varies from grayish brown to dark brown with noticeable pale or dark stripes along the back. Unlike web-building spiders, wolf spiders have strong bodies and excellent eyesight, which they use to hunt prey on the ground instead of spinning webs.

Where you might find them

You are most likely to see wolf spiders outdoors, around rocks, leaf piles, and flower beds, or hiding in grass, mulch, and under debris. They are active hunters that roam at night in search of insects. During colder months or dry weather, they may enter homes looking for warmth or shelter. Indoors, they often stay in basements, garages, crawl spaces, or under furniture where it is dark and quiet.

Why wolf spiders can be a concern

Wolf spiders are not aggressive and rarely bite unless they are handled or cornered. Their size and quick movement can be alarming, but their bite is not considered dangerous for most people. A bite may cause mild swelling or redness. Anyone who experiences an allergic reaction or severe pain should seek medical attention immediately.

How to get rid of wolf spiders

If you notice wolf spiders inside your home, it may mean that other insects are present and attracting them. Start by keeping your home clean and clutter-free. Regularly vacuum corners, seal cracks, and install door sweeps to block entry points. Outdoor maintenance also helps. Remove piles of leaves, trim plants close to the foundation, and store firewood away from the house to reduce hiding spots.

For ongoing spider problems, contact a professional pest control service. A trained specialist can safely treat the spiders and their food sources to ensure long-term prevention.

Need help getting rid of wolf spiders?
Contact Stewart’s, your trusted Utah pest control experts.