"They invaded by the trillions.” At nearby Catawba Island, social media posts show clouds of mayflies in the air and the dead ones covering cars, streets and just about everything else.

Dr. Hintz says mayflies live, at most, 72 hours. Many of them end up dead in piles and that means it takes some creativity to clean up. "Get your brooms, get your shovels, get your vacuums out ...

https://doi.org/10.2307/3496585 • https://www.jstor.org/stable/3496585 A total of 204 valid species representing 56 genera in 18 families of mayflies are known to ...