Cicadas 2024 Ohio. Where billions of cicadas will emerge this spring (and over the next decade), in one map. For the first time in 221 years, this spring will see billions, if not trillions, of cicadas take to the skies in a.
Here’s when and where these two broods of periodical cicadas will emerge this spring, a phenomenon that hasn’t happened since 1803. Here’s what to know about the insects and the two broods that are supposed to surface.