Thus the order of Arachnids began. For the most part spiders are beneficial animals. Their diet consists of mosquitoes and other insects making them important in the balance of nature. The hunting spiders are perhaps the best natural pest control operators in nature. Unfortunately, some , like the Brown Recluse are poisonous, and all are as Athena intended, ugly and repulsive to humans, especially female humans.
Spiders get a lot of bad publicity.
Thus they become pests. To add insult to injury, some spiders are poisonous. There are hundreds of non-poisonous spiders in our area. If they bite they will leave a small welt on your skin, but unless allergic, it is no worse than a mosquito bite. Most of the spider pests inside houses are not poisonous but are irritating especially when they crawl on you in bed, or surprise you in the basement.