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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 Cicadas @ UCONN (formerly 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

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