Cicadas 2024 Brood Xiii. It means that where the broods cross over this year, three species of brood xiii cicadas will have the opportunity to interbreed with four species of brood xix. Brood xix, known as the great southern brood, contains four species of cicadas and emerges only every 13 years.
These two broods are adjacent (but not significantly. Brood xiii cicadas emerged most recently in.