Wolf Spider
Large, fast-running ground spiders that hunt at night — alarming but not dangerous.
Photo: 0959kedi (CC0) · public domain/CC0 · Wikimedia Commons
Robust, 10–35 mm, brown to gray with dark stripes or mottled patterning. Eight eyes in a distinctive arrangement: four small eyes in a bottom row, two large eyes facing forward, and two large eyes on top. Carry their egg sac attached to the spinnerets and young on their back.
Ground-level harborage: garages, under leaf litter, along exterior walls, under outdoor furniture and in ground-floor rooms that have entry-point gaps.
- Large, fast-moving hairy spiders on the floor, garage or lanai
- Eyeshine (two large green-blue reflective eyes) when hit with a flashlight at night
- Spiders darting under furniture or appliances when disturbed
Wolf spiders are venomous but their bite causes only mild, localized pain — far less than a bee sting. They're beneficial predators of pest insects. The main risk is alarm; they do not infest or web homes.
Rhino treats the exterior perimeter and seals ground-level entry points. Reducing outdoor lighting that attracts the insects wolf spiders hunt also keeps populations low.
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