2024 Cicada Swarming Meaning. A rare cicada event in 2024 means trillions of cicadas will emerge at once. This spring, an unusual cicada double dose is about to invade a couple parts of the united states in what university of connecticut cicada expert john cooley called.

Here’s everything you need to know about ‘cicadageddon’ and how to prepare. Cicadas rapidly vibrate these tiny membranes to produce sound, and.