Brood Cicadas 2024 Map. โ this heat map shows the likeliest locations (green and yellow) that brood xix cicadas will emerge in virginia. Periodical cicadas are insects that emerge in large numbers every 13 or 17 years, mainly in the eastern and midwestern united states.
The blue map dots denote brood xiii cicadas and the red dots are areas where brood xix has emerged in the past. โ two broods, or groups, of cicadas will emerge in over a dozen states: