Annual cicadas are North American Cicadidae species that appear every summer. The lifecycle of the so-called annual cicada typically spans 2 to 5 years; they are "annual" only in the sense that members of the species reappear annually. The name is used to distinguish them from periodical cicada species, which occur only in Eastern North America, are developmentally synchronized and appear in great swarms every 13 or 17 years. All other cicadas from all other biogeographic regions produce annual broods, so the distinction is not made outside of North America.
- "Cicada Central". University of Connecticut. Archived from the original on 9 June 2011. Retrieved 13 June 2011.
- Diceroprocta vitripennis Archived July 25, 2011, at the Wayback Machine.
- Cicadamania: "Hot weather means cicadas emerge sooner"
- "Periodical Cicada Page". University of Michigan. Archived from the original on 20 July 2011. Retrieved 13 June 2011.
To learn about some of the common annual cicada species of eastern North America (including the genera Tibicen, Diceroprocta, and Okanagana), and to hear their songs, see our Michigan Cicadas Page.
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