So, if your area of the country is home to venomous spiders, it’s crucial to know where those spiders live, what their bites look like and what to do when you recognize the signs of a spider bite.

While spiders are often misunderstood creatures, not all of them are harmful. In the United States alone, there are over 3,500 species, but only two—the black widow and the brown recluse—pose ...