How Long Will Cicadas Last In Illinois 2025

How Long Will Cicadas Last In Illinois 2025. There are two groups of periodical cicadas— those that emerge every 13 years and those that emerge every 17 years. By nbc 5 staff •published may 29, 2025•updated on may 29, 2025 at 4:40 pm.


How Long Will Cicadas Last In Illinois 2025

If that area didn’t have trees at the time when the cicadas were out the last time laying eggs 17 and 13 years ago, you may have far fewer cicadas than other locations. The exact timing depends on soil temperature, which depends on spring weather.

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