These spiders generally inhabit loose piles of debris outside. If indoors, they may be found lying on or inside furniture as well as within undisturbed clothing. Many bite victims put on clothing that was left on the floor and are bitten as a defense against pressure and crushing felt by the spider inside them.
This spider is not naturally aggressive and does not seek out human victims. A young family in 2001 living in Lenexa, Kansas had no issues with the arachnid during the 5 years they lived with an infestation. Scientists from the University of California helped them trap, kill and collect over 2,000 Brown Recluse spiders during a 6 month period there.
Brown Recluse venom is known to cause necrosis in human tissue. A hemotoxin present in the venom of the Brown Recluse can destroy the tissue surrounding a bite. Infection can then set in and cause even more damage to tissues and possibly spread to organs. The wound develops a crusty-like appearance and texture surrounded by patches of redness and irritation. Though this crust eventually falls off, it leaves behind a deep, crater-like shape which may not completely heal for a period of months.
The good news is that over half of the known Brown Recluse spider bites on record caused no reaction in their victims and the bites healed nicely on their own. Other victims reacted only mildly with some redness and pain that developed over a few hours. Some perceived spider bites were actually other, already-present infections (like Staph) that were misdiagnosed by the victim. An ELISA-test (scientific test that analyzes the proteins in substance) can confirm if venom belongs to a Brown Recluse, but unfortunately, this test is a lab-based test not available at doctor's offices.
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