2024 Cicadas Map Usa Today. There are at least 15 cycles, or broods, of periodical cicadas, some of which emerge every 17 years, while others emerge every 13 years. Although annual and periodical cicadas are easy to tell apart visually, the different species of periodical cicadas are not.

Where billions of cicadas will emerge this spring (and over the next decade), in one map. In the midwest and southeastern us, trillions of cicadas from two broods are set to emerge in a rare synchronized event.