Double Cicada Brood 2024 Ohio Dates. 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. 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.

This spring, two broods of cicadas will emerge in the midwest and the southeast, in their first dual appearance since 1803. According to the website cicada.