Cicadas In Wisconsin Map. If you’re a cicada enthusiast and have many sightings, feel free to submit multiple entries of the form or contact pj liesch ( pliesch@wisc.edu ) to discuss. There’s also an updated wisconsin map and a summary for each county on the periodical cicada website’s when and where page.

Nonetheless, it will be a rare event. Where billions of cicadas will emerge this spring (and over the next decade), in one map.