How Long Will Cicadas Last In Illinois 2024. After spending 13 (or 17, depending on where you’re at) years underground feeding from roots, periodical cicadas. A plague of parasitic mites has descended upon illinois in the wake of this year's historic crop of cicadas, leaving residents with raging rashes and incessant itching.

And then you’ll hear their mating calls, too. The next brood of cicadas isn’t expected to emerge from the ground in the garden state until summer 2025, though there may be some stragglers that come out a.