Brood Xix Cicadas 2024

Brood Xix Cicadas 2024. The northern illinois brood spends 17 years underground before surfacing and is known as brood xiii, while the great southern brood, or brood xix, lives underground for 13 years. Brood xix is arguably the largest (by geographic extent) of all periodical cicada broods, with records along the east coast from maryland to georgia and in the midwest from iowa to oklahoma.

Where billions of cicadas will emerge this spring (and over the next decade), in one map. Maps of two cicada broods, reunited after 221 years.