CINCINNATI (FOX19) – After their 17-year hiatus, billions of cicadas will emerge in early May from underground lairs across the region. “This is the big one, a generational event,” Dean of Behavioral and Natural Sciences at Mount St. Joseph University in Cincinnati Gene Kritsky said in a news release. “For people who have been around a while, they will remember what it was like 17 years ago or even farther back to when they were kids and they’ll know what to expect. For those who weren’t alive 17 years ago or who were too young at the time and can’t remember, they are in for quite an experience.”