blog posts A double emergence of periodical cicadas isn’t cicada-geddon—it’s a marvel Mar 12, 2024 11:00 am by Scientific AmericanIllinois in the News Share on Facebook Tweet Email Images Scientific American (March 11) 'I’ve been looking forward to this for years,' says U of I entomologist Catherine Dana. 'We have two different broods emerging in the same state, and that’s a very rare thing.' Share on Facebook Tweet Email