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Wolf Spider (family Lycosidae)
Identify it, prevent it, and know when to call. A South Florida guide from Pro-Spray.
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What Is a Wolf Spider?
Wolf spiders are hunters. Instead of building webs, they chase down insects on the ground. Several species live in Florida, including large ones that can be alarming when they dash across a tile floor. They're mostly outdoor spiders that sometimes wander in.
How to Identify Them
They're hairy, sturdy, fast-running spiders with brown or gray striped patterns. Their eyes are arranged in three rows, with two large eyes that reflect light. If you shine a flashlight across a lawn at night, you may see their eyes glinting. Females carry their egg sac attached to their spinnerets, and spiderlings ride on her back after hatching.
Common look-alikes:
- Huntsman spiders: flatter, with legs that extend sideways.
- Fishing spiders: found near water.
Life Cycle and Habits
Females carry egg sacs and then spiderlings. Wolf spiders live in burrows or under debris and hunt at night.
Signs
- Large spiders running along floors or walls, especially at night
- Spiders in garages, sliding door tracks and near ground-floor entries
- Eyeshine in the lawn at night
Is it dangerous?
- Bites
Can bite if handled; bites are generally not considered medically serious.
Why They Come Inside
Heavy rain, lawn care and cooler nights can drive them indoors. Gaps under doors and open garage doors let them in.
Bite Safety
Wolf spiders may bite if handled or trapped. Bites can be painful but are typically not dangerous. Clean the area and seek care if symptoms worsen.
Prevention Tips
- Install door sweeps and seal gaps.
- Keep mulch and debris away from the foundation.
- Reduce outdoor lighting near doors.
- Keep garage doors closed.
How Pro-Spray Treats Wolf Spiders
We treat the perimeter, entry points, garages and harborage areas to reduce both spiders and the insects they hunt.
The Mother Spider and Her Babies
One of the most surprising sights in a South Florida home is a large wolf spider covered in dozens of tiny spiderlings riding on her back. Females carry their round egg sac attached to the tip of the abdomen, and after hatching, the babies climb aboard and travel with her for a while. If you squash or swat her, the spiderlings scatter across the floor. It's better to cover her with a cup or container, slide a piece of stiff paper underneath and release her outside away from the house, or vacuum carefully and empty the bag outdoors.
Wolf Spiders After Rain and Lawn Work
Wolf spiders live in lawns, garden beds and leaf litter. Heavy summer storms can flood their burrows, and mowing, edging or new sod can disturb their hiding places. That's often when they show up on lanais, in garages and in ground-floor rooms. A short-term rise in sightings after a storm doesn't necessarily mean a bigger problem.
Eyeshine Check
If you want to see how many live in your yard, take a flashlight out at night and hold it near your eyes while sweeping the beam across the grass. Tiny green or blue sparkles are often wolf spider eyes reflecting the light. They're a normal part of a healthy lawn, and they eat many insects. Our goal is keeping them out of the house, not eliminating every spider outdoors.
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+ FREE inspection
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Frequently Asked Questions
Are wolf spiders dangerous?
Why is a big spider in my house?
Do wolf spiders build webs?
Should I kill a wolf spider?
Reviewed October 2026 by Pro-Spray's family-run team
Pests don't wait.
Protect your home today.
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