Brown recluse spider (suspected source of lesion)
Scientific Name: Loxosceles reclusa
Order & Family: Araneae / Sicariidae
Size: 6 to 20 millimeters (1/4 to 3/4 inch) in body length.
Natural Habitat
Dark, undisturbed areas such as woodpiles, sheds, basements, closets, and under furniture.
Diet & Feeding
Insects like crickets, cockroaches, and silverfish.
Behavior Patterns
Nocturnal and non-aggressive hunters that only bite humans defensively when pressed against skin (e.g., inside clothing or bedding).
Risks & Benefits
Risks: Venom contains sphingomyelinase D, which can cause necrotic skin lesions (loxoscelism), systemic symptoms, or secondary infection. Benefits: Provide natural pest control by eating common household insects. Note: This image shows a significant lesion and you should seek medical attention immediately. Do not attempt to self-diagnose skin wounds.
Identified on: 3/24/2026