Double Cicada Brood 2024 Wikipedia In English. By lucy sherriff 1st may 2024.  — a “brood” refers to a population of periodical cicadas that are on the same life cycle and emerge on the same years.

The two cicada broods were projected to emerge in a combined 17 states across the south and midwest.  — this iconic cicada cacophony can be heard most summers in illinois, but 2024 is a particularly special year for these critters.