Cicadas 2024 Illinois Map Live. Maps of two cicada broods, reunited after 221 years. The dual explosion of cicadas, which hasn't been seen for centuries, will hit much of the state, but in one portion,.

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. See where brood xix, xiii cicadas are emerging around the us.