A close-up of an adult periodical cicada's compound eye, shortly after it shed its nymphal shell, is visible on Saturday, May 18, 2024, in Charleston, Ill. (AP Photo/Carolyn Kaster)
An adult periodical cicada, just after shedding its nymphal skin, is visible in the grass late Sunday, May 12, 2024, in Cincinnati. (AP Photo/Carolyn Kaster)
An adult periodical cicada waves its legs as it climbs over an iris in the afternoon sun on Friday, May 17, 2024, in Charleston, Ill. (AP Photo/Carolyn Kaster)
An adult periodical cicada clings to a peony flower on Friday, May 17, 2024, in Charleston, Ill. (AP Photo/Carolyn Kaster)
A detail of an adult periodical cicada's wings and anus, shortly after it shed its nymphal shell, is seen late Friday, May 17, 2024, in Charleston, Ill. (AP Photo/Carolyn Kaster)
The underside of a periodical cicada is visible on Tuesday, May 14, 2024, in Cincinnati. (AP Photo/Carolyn Kaster)
An adult periodical cicada, just after shedding its nymphal skin, climbs over other nymphal shells at the base of a tree on Friday, May 17, 2024, in Charleston, Ill. (AP Photo/Carolyn Kaster)
The veins of an adult periodical cicada's translucent wings are silhouetted by a distant building light, shortly after shedding its nymphal skin, Saturday, May 18, 2024, in Charleston, Ill. (AP Photo/Carolyn Kaster)
A periodical cicada is visible on a leaf Friday, May 10, 2024, in Cincinnati. (AP Photo/Carolyn Kaster)
An adult periodical cicada, in the process of shedding its nymphal skin, is visible on Saturday, May 11, 2024, in Cincinnati. There are two large compound eyes, which are used to visually perceive the world around them, and three small, jewel-like, simple eyes called ocelli at center. (AP Photo/Carolyn Kaster)
An adult cicada periodical cicada sheds its nymphal skin on a tree, Friday, May 17, 2024, in Charleston, Ill. (AP Photo/Carolyn Kaster)
A periodical cicada appears in a hay field at Lincoln Log Cabin State Historic Site on Sunday, May 19, 2024, in Lerna, Ill. (AP Photo/Carolyn Kaster)