Cicadas 2024 Trending. The sight and sound of trillions of cicadas surfacing across much of america, a massive invasion of two separate groups called broods emerging at the same time, has scientists buzzing. More than a trillion cicadas will be coming to the u.s.

A rare burst of billions of cicadas will rewire our ecosystems for years to come. Periodical cicadas aren’t present every spring, but when they do emerge, they come in loud, buzzing hordes.