In light of how many spider webs I’ve walked into lately, I thought it might be a good time to familiarize myself with poisonous spiders. There are eight fairly common poisonous spiders in the United States. Most spiders bite when threatened — they don’t tend to run around chomping on people otherwise. Widow spiders are probably the most common kind of poisonous spider in the United States. They are approximately the size of a blueberry, and have the infamous red hourglass shape on their undersides. Body color and hourglass shape vary from one species to another. Widow spider venom is … Continue reading →