Cicada 2024 Timeline. There are two groups of periodical cicadas — those that emerge every 13 years and those that emerge every 17 years. Here's what to know about a cicada's life, both under and above ground.

2024 cicada map:see where brood xix, xiii cicadas are emerging around the us. The map above shows confirmed presence (cicada symbols) periodical cicada records collected by project collaborators during the current periodical cicada emergence.