| 1633 First recorded account
of periodical cicadas, Plymouth, Mass. They are called large “flyes.” |
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1715 First record of Brood X.
1715 First time they are called locusts.
1758 First periodical cicada species named.
1775 Thomas
Jefferson expects the cicadas at Monticello. Cicadas did show that year,
as Jefferson
noted in his Garden Book. |
1812 First Ohio cicada account recorded.
1839 First stand-alone publication on periodical cicadas.
1851 Second species described. |
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1868 Massive
emergence when Broods X and XXIII, 17- and 13-year broods, emerge
together. This occurs every 221 years.
1868 Charles Darwin comments on periodical
cicadas, saying he thought they were “extraordinary” and
speculating on the different species.
1868 Third periodical cicada described.
1898 Brood numbering system created. |
1902 Brood X almost drowns out President Theodore Roosevelt's speech
on Panama.
1907 First book on periodical cicadas published.
1925 Periodical cicadas named “Magicicadas” by
W.T. Davis, who sold insurance policies. |
 |
1961 Three periodical cicada species named.
1999 Second book on periodical cicadas published,
In Ohio's Backyard Periodical
Cicadas.
2000 First time an early emergence was predicted.
Emergence in Cincinnati large enough to reproduce. May be the first steps in
the origin of a new brood.
2004 Brood X emerges |
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