When a spider bites, it typically leaves two puncture marks on the skin, a hallmark of arachnid encounters. In the United States, there are over 3,500 species of spiders, but only a handful are known ...

Though they may be small and shy, brown recluse spiders can be dangerous if their bites go untreated. Like the vast majority of spider species in the U.S., brown recluses are venomous, and their bites ...