Cicadas 2024 Map Illinois. Download the cicada 2024 broods fact sheet, which includes a map of where periodical cicadas are expected to emerge. The map from cicada safari, an app created by kritsky to track cicadas, allows residents and.

There are two groups of periodical cicadas — those that emerge every 13 years and those that emerge every 17 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.