Bug Identifier
Brown Recluse Spider
Community identification

Brown Recluse Spider

Loxosceles reclusa

Order & Family
Araneae: Sicariidae
Size
6–20 millimeters (0.24–0.79 in) body length; width includes long legs.
See this bug in the Encyclopedia

Natural Habitat

Found in undisturbed areas like basements, attics, woodpiles, and behind furniture in the central and southern United States.

Diet & Feeding

Carnivorous; hunts insects and other spiders.

Behavior Patterns

Nocturnal and non-aggressive; typically bites only when trapped against skin (e.g., in bedding or clothing).

Risks & Benefits

Possesses necrotic venom that can cause skin lesions and tissue damage (loxoscelism); provides ecological benefit by controlling pest populations. Seek immediate medical attention for suspected bites, as individual reactions vary significantly.