Nation Scared of the palm-sized Joro spider? What to know about the ballooning, ‘beautiful spiders’ March 13, 2022Jordan Mendoza, USA TODAYComments Off on Scared of the palm-sized Joro spider? What to know about the ballooning, ‘beautiful spiders’ The Joro spider created fear across the country after a study said the could move up the East Coast. Here's what to know about the big spider.