Cicada Emergence 2024 Map. An animated look at what will happen in the upcoming emergence of brood xix and brood xiii, when more than a trillion cicadas will surface. Periodical cicadas are insects that emerge in large numbers every 13 or 17 years, mainly in the eastern and midwestern united states.
Users can collect their own geotagged cicada pictures and contribute to a. They spend most of their lives underground as nymphs, feeding.