The Arizona brown spider, mainly found in Arizona ... with some reaching up to half an inch in size. Woodlouse spiders usually make their homes in areas concealed by natural elements such as ...

There are about five species of brown spiders in Arizona, according to the College of Agricultural and Life Sciences at University of Arizona. Their venom usually causes aches and swelling ...

Keep reading to learn the symptoms and stages of a brown recluse spider bite, how to identify the spider, and when to seek help. Even though this spider’s size maxes out at about a half-inch ...