Wolf Spider

Lycosidae

Spiders

Large robust hunting spider, 1/2 to 1 inch body. Gray to brown with dark markings. Does not build web. Excellent eyesight with prominent eye arrangement. Carries egg sac attached to spinnerets. Fast runner.

Wolf Spider (Lycosidae) - Professional pest control identification guide

Control Methods

Recommended methods for controlling this pest

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MethodTypeEffectivenessRequirements
Perimeter Insecticide SprayChemical
Required
Crack and Crevice AerosolChemical
Required

Common Harborage Locations

Where to find this pest during inspections

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LocationWhy Found TherePriority
Basements
High humidity, cooler temperatures, stored items, potential for flooding, entry point from outside.
Critical
Crawl Spaces
Direct earth contact, very high humidity, minimal disturbance, abundant hiding spots, poor ventilation.
Critical
Firewood Piles
Moisture retention, bark provides food and shelter, direct contact with ground, proximity to structure.
High
Stored Lumber
Wood-destroying pests consume material, protection from weather, often in contact with soil.
Medium
Outdoor Rocks & Debris
Scorpions hide under objects during day, emerge at night to hunt. Cool, moist environment under rocks. Protection from predators and sun.
Medium
Important Disclaimer: The information provided in this knowledge base is for educational and reference purposes only. Pest management professionals should always consult current product labels, Safety Data Sheets (SDS), manufacturer instructions, and applicable local, state, and federal regulations as the definitive source of truth. Product formulations, application methods, safety requirements, and regulations may change over time. This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.