The last time that these two groups of cicadas emerged from underground together, Thomas Jefferson was president.
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Articles on Life cycles
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This is a crucial dinosaur for palaeontologists; the variety of fossils available means researchers can study the species’ growth through its whole life span.
One of the largest groups of 17-year cicadas, Brood X, last emerged from underground in 2004. The next generation will arrive starting in April.
The cycles of life, in their fierce glory, are reflected in a stunning exhibition of nature photography.
Top contributors
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Senior Research Scientist of Ecology and Evolutionary Biology, University of Connecticut
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Assistant Professor of Ecology and Evolutionary Biology, University of Connecticut
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Associate Professor, Fenner School of Environment and Society, Australian National University
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Postdoctoral Fellow, Evolutionary Studies Institute, University of the Witwatersrand
