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The last time two broods of cicadas emerged at once, the year was 1803 and Thomas Jefferson was President. EeeeEEEEEeee: Cicadas are making a rare appearance in Indiana in 2024. Here's what we know
2024 is a double-brood periodical cicada year. Find out what states cicadas are coming to and when. Plus, learn how to help scientists document the emergence.
For the first time in 221 years, the Northern Illinois Brood and the Great Southern Brood of cicadas will emerge simultaneously across the eastern U.S. 2 broods of cicadas set to emerge: 2024 map ...
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A pile of cicadas in Bloomington, Indiana in 2021. Entomologists are eager to study two broods of cicadas co-emerging this spring for the first time in more than 200 years (Courtesy of Katie Dana)
Periodical Cicadas: The 2024 Broods. This year’s double emergence is a rare coincidence: Brood XIX is on a 13-year cycle, while Brood XIII arrives every 17 years.These two broods haven’t ...
Cicadas have a periodical life cycle, only emerging from below the surface when they reach adulthood and temperatures are right. Some take 13 years to become adults, while others take 17 years.
The double emergence of Broods XIX and XIII is rare, occurring every 221 years (when the 13-year and 17-year cicadas overlap, as 13 times 17 is 221).