Cicada Mania

Dedicated to cicadas, the most amazing insects in the world.

March 21, 2020

Brood XXI Map

Filed under: Brood XXI,Extinct,Magicicada,Periodical — Dan @ 6:14 pm

Periodical cicada Brood XXI is extinct. It was a small brood of Magicicada with a 13-year lifecycle. It was last seen/heard in 1870. Visit Magicicada.org for more information.

Map from Marlatt, C.L.. 1907. The periodical cicada. Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology:

Marlatt 1907 21 Brood XXI