Cicadas In Lake Geneva Wisconsin May 2024. The cicadas first emerged in lake geneva about three weeks ago, and their population is currently at its peak, said pj liesch, director of the university of wisconsin. According to the wisconsin dnr, the first sightings were confirmed on may 17th in the lake geneva area.

A resident of lake geneva. The wisconsin periodical cicada website is a comprehensive source of information about the 2024 emergence of brood xiii (17.