Northern Illinois 17 Year Cicadas 2024

Northern Illinois 17 Year Cicadas 2024. Two broods, or groups of periodical cicadas, are emerging simultaneously for the first time in 200+ years (since 1803), and illinois is one of two states (the other being iowa) where both broods will be making an. Now that the solar eclipse in illinois is behind us, it's time to look forward to the next rare phenomenon of 2024:


Northern Illinois 17 Year Cicadas 2024

For most of their lives, cicadas live underground and emerge once the soil reaches 64 degrees. Each brood is assigned a roman numeral.

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