Cicadas 2024 Chicago. For the first time in more than 200 years, two different groups of periodic cicadas will emerge at the same time. Cicadas will hear the call of spring.
Now the great dual periodical cicada emergence of 2024 — an event of a magnitude not seen since 1803 — has burst from below to join the earlier shows in the sky. The great cicada invasion of 2024 in illinois is almost here, and bug experts have created maps of the attack.