Cicadas 2024 Texas A. Unable to view our graphics? Adult periodical cicadas from brood xix are now completing its emergence as the brood is out in full force in states across the midwest and southeast, according to.

There could be as many as 1.5 million cicadas per acre, which brings the brood population into the trillions. Emerging every year and in far fewer numbers, annual cicadas are predominantly green, while periodical cicadas have red.