Are Cicadas Coming Back In 2024. Here’s what to expect as cicadas make their debut in a historic emergence that hasn’t occurred in more than 200 years. That’s because 2024 will see two separate batches of periodical cicadas emerge en masse, spread across much of the.

Adult periodical cicadas from brood xix are now completing its emergence as the brood is out in full force in states. Here’s what to know if you’re in their path.