The year of the cicada, 2021

Chattanooga, TN

Whoa — remind us what cicadas are, please. 

  • Cicadas are large insects that feed on plants.
  • There are over 3,000 species of cicadas, and they come in two types: annual + periodical.
  • Annual cicadas appear greenish in color, fast-moving, and they come out each year from July to September.
  • Periodical cicadas have red eyes and black bodies, and they only emerge once every 13 to 17 years, from mid-May to June. 
  • There are seven species of periodical cicadas, including Brood X, which is one of the largest broods ofperiodical cicadas in the country.

And, why do we care about them this year?

Because Brood X is set to visit Tennessee this year — hopefully, said UTC professor Dr. DeAnna E. Beasley, who has studiedwhat makes city cicadas different from those living outside urban areas. 




In what states will cicadas be emerging in 2021?

Brood X is one of the largest and most broadly distributed groups of periodical cicadas. They can be found from northern Georgia to New York, west to the Mississippi River and in the Midwest. There can be as many as 1.5 million cicadas per acre, which brings the brood population into the trillions.



Where will the Brood X cicadas emerge?