Brood X Cicadas 2024. A rare burst of billions of cicadas will rewire our ecosystems for years to come. This year, two broods of flying cicadas have appeared at the same time, and it is the first time they have emerged simultaneously since 1803.

Billions of brood x cicadas that have spent 17 years patiently growing in complete darkness⁠⁠ will emerge across the united states next week. 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.