Cicada Invasion 2024. That’s because 2024 will see two separate batches of periodical cicadas emerge en masse, spread across much of the eastern half of the u.s. April 11, 2024, 2:43 pm pdt.

Tens of billions of noisy cicadas are set to pop out of the ground in the coming weeks in a rare synchronized event that last occurred 221 years ago. Published april 4, 2024 updated may 7, 2024.