A nine year old girl discovered a black widow in a bunch of grapes she was munching on. Harriet spotted the spider, which is the worlds fifth most poisonous, crawling in her fruit bowl. minutes early her brother elliot had been snacking on the same bunch of grapes while watching television. The super market which sold the grapeshas now taken the batch off the selves,just in case any other spiders managed to hitch a ride from mexico.