Some spiders like moisture and are found in basements, crawl spaces and other damp parts of buildings. Others like dry, warm areas such as sub floor air vents, upper corners of rooms and attics. Hide in dark areas. Only two species of spiders are harmful: Brown recluse spiders which if bites are left untreated, the early blister may become a lesion, resulting in necrosis and severe nerve damage. Black widows Black widows are identified by red hourglass markings on the underside of their abdomens. Females are capable of injecting venom. In extreme cases, the venom of the black widow spider severely weakens the nerves and the brain, leading to impaired breathing, body aches and nausea. Death is more likely in very young or old individuals.
Get A Free Quote