Riva Verine

Illinois Cicada Brood Map 2024. The southern half of illinois is seeing brood. Brood xiii, also called the northern illinois brood, appears only once every 17 years and has a reputation for its population density.

Usda forest service map showing cicada brood emergence april to may 2024 in the eastern united states. There will likely be billions, if not trillions, of the insects.