Cicadas 2024 Brood Xix. The arrival of brood xix and brood xiii will send shockwaves through forest food webs. Maps of two cicada broods, reunited after 221 years.
Maps of two cicada broods, reunited after 221 years. In the midwest, there’s brood xix, which pops up every 13 years, and brood xiii, which emerges every 17 years and is concentrated in the southeast.