Other researchers back Vetter up on this.
But most of the skin issues people pin on spiders are actually other types of bug bites or skin issues, he says. “People wake up in the morning and find a red mark, and immediately call it a spider bite,” says Rick Vetter, a retired staff research associate and entomologist at the University of California, Riverside. You spot an angry-looking red welt on your leg, and it seems too big to be a mosquito bite.
