Entomologist Michael Raupp looks at a cicada nymph shell on a tree at the University of Maryland campus in College Park, Maryland, U.S., May 14, 2021. The once-every-17 year Brood X cicada hatches will occur in the middle part of the Eastern United States, from as far south as Eastern Tennessee, all the way up to southern parts of New York. Picture taken on May 14, 2021. REUTERS/Carlos Barria