Cicadas 2024 Illinois Map. Gene kritsky at mount st. 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.
Download the cicada 2024 broods fact sheet, which includes a map of where periodical cicadas are expected to emerge. 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.