Yes, cicadas are returning to Tennessee in 2021. Find out where and when The Citizen 5 years ago Scientists have described 15 broods of cicadas that emerge every 13 or 17 years. They’re annoying but they don’t bite. Source: The Daily News Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X They're no murder hornets, but should Tennesseans worry about this year's cicadas?DateMay 20, 2020In relation toLascassasAfter 17 years, Brood X cicadas to emerge for a noisy, speed dating free-for-allDateJanuary 29, 2021In relation toLascassasAfter 17 years, Brood X cicadas to emerge in Tennessee for a noisy, speed dating free-for-allDateMarch 29, 2021In relation toLascassas