It became local and then national news, and the Aldi supermarket issued a refund and pulled the grapes from the shelves. Then a month later, the same thing happened at Aldi and Kroger stores in Wisconsin, Michigan, Minnesota and Pennsylvania. And then a British family was told to evacuate their house after a Brazilian wandering spider, the most toxic arachnid out there, stowed away with its hatchlings on a bunch of bananas. What’s going on? What are all these spiders doing in our breakfast fruit?