Cicada Map 2024 Illinois. This spring, two broods of cicadas will emerge in the midwest and the southeast, in their first dual appearance since 1803. Shows some of the highest sightings have been reported in suburbs west of chicago, particularly near the.

Periodical cicada emerging from shell or exoskeleton on the side of a tree. Although geographically adjacent in illinois, the broods won’t overlap much, and it’s unlikely that cicada density will double anywhere.