Brown Recluse Spider
Loxosceles reclusa
SpidersLight to dark brown spider with violin-shaped marking on cephalothorax. Six eyes in three pairs. About 1/4 to 1/2 inch body. Venomous bite can cause necrotic lesions. Shy and non-aggressive. Found in south-central US.

Control Methods
Recommended methods for controlling this pest
| Method | Type | Effectiveness | Requirements |
|---|---|---|---|
| Clutter Reduction | Cultural | None |
Common Harborage Locations
Where to find this pest during inspections
| Location | Why Found There | Priority |
|---|---|---|
| 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 |
| Storage Boxes & Clutter | Undisturbed environment, material for nesting, harborage between items, food source (cardboard/paper). | 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 This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.