Periodical Cicadas







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Brood III (17-year)

The Iowan Brood

Brown symbols on the map above were generated from verified records in the Cicada Central Database on 14 March 2016.
Blue symbols on the map are based on Marlatt (1923).

Gold symbols are based on Simon (1988); smaller symbols are records with a lower degree of certainty.

These records have not been field checked.

A project is currently underway to make new maps of periodical cicada broods. See the Magicicada mapping project homepage and the Geospatial Data Clearinghouse.
Irwin, M. D., and J. R. Coelho. 2000. Distribution of the Iowan Brood of periodical cicadas (Homoptera: Cicadidae: Magicicada spp.) in Illinois. Annals Of The Entomological Society Of America 93:82-89.
Marlatt, C. 1923. The Periodical Cicada. United States Department of Agriculture, Bureau of Entomology Bulletin 71.
Simon, C. 1988. Evolution of 13- and 17-year periodical cicadas. Bulletin of the Entomological Society of America 34:163-176.
Cooley, J.R., Marshall, D.C., Richards, A.F., Alexander, R.D., Irwin, M.D., Coelho, J.R. and Simon, C. 2013. The distribution of periodical cicada Brood III in 1997, with special emphasis on Illinois (Hemiptera: Magicicada spp.). The American Entomologist In press.
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