Periodic cicadas spend most of their lives underground, emerging in mass numbers after 13 or 17 years. 2024 marks a special time for periodic cicadas, as Brood XIX and Brood XIII will co-emerge across the eastern USA for the first time since 1803. Interested in learning more about periodic cicadas? Check out this great resource. 

In St. Louis, thirteen year cicada in Brood XIX have begun to emerge Mid-May 2024. We conducted a research project to see how the distribution of these species changes across the St. Louis Region. Data collection for this project is now complete. We were able to collect more than 800 measurements of cicada data across St. Louis! Thank you to everyone who helped contribute data!!

We are currently in the process of analyzing our data. 

Check out our media coverage by St. Louis Public Radio, and the St. Louis Post Dispatch.