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Brood XIII (also known as Brood 13 or Northern Illinois Brood) is one of 15 separate broods of periodical cicadas that appear regularly throughout the midwestern United States. Every 17 years, Brood XIII tunnels en masse to the surface of the ground, mates, lays eggs in tree twigs, and then dies off over several weeks.
Brood XXIII is only one of three still living 13-year cicada broods; the other two are Brood XIX (the "Great Southern Brood") and Brood XXII (the "Baton Rouge Brood"). Brood XXI (the "Floridian Brood") was a fourth 13-year brood that was last seen in 1870 in the Florida Panhandle and along the Alabama–Mississippi border. It is presumed ...
A Journal Star photo from 1990 shows Megan Gibbs of Metamora covered in molted shells of periodical cicadas during the 1990 emergence of Brood XIII in central Illinois.
Millions of periodical cicadas are due to appear this spring. Should Illinois homeowners and gardeners be concerned? Should Illinois homeowners and gardeners be worried about the cicada emergence?
Brood XIII consists of three species of cicada. Also in 2024, Brood XIII (Magicicada septendecim, Magicicada cassini, and Magicicada septendecula), a 17-year species, will emerge in:Illinois ...
The term periodical cicada is commonly used to refer to any of the seven species of the genus Magicicada of eastern North America, the 13- and 17-year cicadas. They are called periodical because nearly all individuals in a local population are developmentally synchronized and emerge in the same year.
Read moreThis map shows where trillions of cicadas will emerge in 2024. ... Brood XIX will be more widespread, emerging across southern Illinois, much of Missouri, northwestern Arkansas and in ...
Individual broods of North American periodical cicadas: Brood X, the largest brood, which emerges on a 17-year cycle; Brood XIII, a brood centered on Northern Illinois and its surrounding area, which also emerges on a 17-year cycle; Brood XIX, a large brood in the Southern United States which emerges on a 13-year cycle