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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12


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The periodical cicada.
By Marlatt, C.L.
USDA Bureau of Entomology Bulletin 71: 1–181., 1907
Cite: 1084252 with citation markup [cite:1084252]
Full PDF

Full PDF

Marlatt, C.L. 1907. The periodical cicada. Bulletin of the USDA Bureau of Entomology 71: 1–181.

(This bulletin was reprinted in 1923 without revision but with slight changes in pagination, which caused the last page to be 183 rather than 181.)