Cicada 2024 Emergence Date. For the first time in over 200 years, two large cicada broods in the u.s. In 2024, they are expected sometime in may or early june, according to ken johnson, a horticulture educator at the university of illinois.

Two broods of cicadas—brood xix and xiii, which emerge every 13 and 17 years, respectively—are appearing together in 2024. Scientists are still figuring out how the bugs act in.