How Long Will Cicadas Last In 2025. For the first time in 17 years, the chicago area saw periodical cicadas emerge this spring.but those are long gone now. Cicadas will hear the call of spring.

How long will cicadas last in 2025. Expect to see these critters arriving from late april to the middle of may 2025 and sticking around just long enough to finish growing, molting, and mating— around four to six.