Cicada Invasion 2024 Which States. Large broods might sprawl across a dozen or more states, while a small brood might only span a few counties. The first sign that cicada season is imminent is the appearance of small holes in the soil, often near tree roots.

Folks in the midwest and the south, get ready for a lot of noisy cicadas this spring and into. Cicadas will become a sight to see across several states, though as few as two—illinois and indiana—will be able to see both broods.