Cicada Broods Emergence 2025

Cicada Broods Emergence 2025. Periodical cicada broods will spend over a decade underground, and will only emerge after either 13 or 17 years. And then you’ll hear their mating calls, too.

An animated look at what will happen in the upcoming emergence of brood xix and brood xiii, when more than a trillion cicadas will surface. The synchronous dual emergence of these two particular broods, which happens once every 221 years, is underway until june.