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Cicada-geddon will include the 13-year brood Brood XIX and the 17-year Brood XIII. Brood XIX will be found in 14 states including Tennessee and Brood XIII will be emerge in the Midwest.
It is a rare event for cicadas with a 13-year life cycle and a 17-year life cycle to reach adulthood at the same time. Experts said this event will not happen again until 2245.
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).
Cicada-geddon will include the 13-year brood Brood XIX and the 17-year Brood XIII. Brood XIX will be found in 14 states including Tennessee and Brood XIII will be emerge in the Midwest.
Brood XIX includes all four different species of 13-year cicadas: Magicicada tredecim (Walsh and Riley, 1868), Magicicada tredecassini (Alexander and Moore, 1962), Magicicada tredecula (Alexander and Moore, 1962), and the recently discovered Magicicada neotredecim (Marshall and Cooley, 2000). 2011 was the first appearance of Brood XIX since the discovery of the new species, which was first ...
Readers across Tennessee, and into Kentucky, are sharing photos of cicadas that they have found in their front yards, on campus and just around their communities with The Tennessean.
In 1998, an emergence contained a brood of 17-year cicadas (Brood IV) in western Missouri and a brood of 13-year cicadas (Brood XIX) over much of the rest of the state. Each of the broods are the state's largest of their types. As the territories of the two broods overlap (converge) in some areas, the convergence was the state's first since ...
Thanks to warm temperatures and good conditions, these 13- or 17-year cicadas are emerging from their underground habitats to eat, mate and die, making a whole lot of noise in the process.