The authors say the arachnids are harmless to people and pets and may even eat pests like stink bugsLast year in Georgia, the non-native Joro spider population exploded. Golden webs draped porches, powerlines and mailboxes across at least 25 counties in the state, per the Hexapod Herald’s Michele Hatcher. “I have several hundred, and they actually make the place look spooky with all the messy webs—like a scene out of 'Arachnophobia,'” entomologist Will Hudson of the University of Georgia Extension told the Herald last fall. The spiders are large and eye-catching, about the size of a human adult’s palm, with...