Cicada Broods 2024 Illinois. A rare and likely massive emergence of two different broods of cicadas is expected in 2024 and while illinois is in a unique position to see it all unfold, where can. Cicada map of illinois for 2024.

Two broods of periodical cicadas are emerging simultaneously for the first time in 221 years. One brood of cicadas will be prevalent in the northern half of illinois, while the second brood will be in the southern half of the state.