Beware, beachgoers: New spider discovered in California's sand dunes

Environment Animals Wildlife Spiders Beware, beachgoers: New spider discovered in California's sand dunes Breakthroughs, discoveries, and DIY tips sent every weekday. Just in time for Halloween, researchers have identified a new species of trapdoor spider. The newly discovered is about the size of a quarter, brown, and pretty chunky. It's the fourth known species of trapdoor spiders in California whose habitat is limited to sandy coastal dunes. Female trapdoor spiders are basically vampires .