Cicada 2024 Canada Pr. Trillions of periodical cicadas are. This piece, originally published in 2021, has been updated for 2024, most recently with new details about brood xix and brood xiii.
Two broods of cicadas—brood xix and xiii, which emerge every 13 and 17 years, respectively—are appearing together in 2024. Where are the cicadas already out in 2024?