2024 Cicadas Usability. — why 2024's cicada bonanza is so rare. This spring, two broods of cicadas will emerge in the midwest and the southeast, in their first dual appearance since 1803.
— trillions of cicadas will emerge in 2024. — this year, two broods of flying cicadas have appeared at the same time, and it is the first time they have emerged simultaneously since 1803.