There are over 35,000 described species of spiders worldwide, with about 3,000 occurring in North America. Many species of spiders are household pests. Wherever their food is available, spiders are likely to be found.Spiders are found worldwide on every continent except for They are most often found around wood piles and gain entry into a structure when firewood is carried into a building. They are also found under eaves, in boxes, and other areas where they are undisturbed.
Most spiders in the area bite in defense and do not bite humans instinctively. They will bite humans when the clothing they are hiding in is worn. Some spider bites are painful and can produce an open, ulcerating sore. When spider webs are visible, use caution before putting your hands or feet in that area.