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Magicicada septendecim

Magicicada septendecim

Millions of periodical cicadas are poised to rise from the ground in the east-central United States this summer as part of the massive Brood X emergence. The cicadas in this brood are all three species of 17-year periodical cicadas: Magicicada septendecim (shown here), M. cassini and M. septendecula. A new study published in the Annals of the Entomological Society of America centers on Brood VI, which also emerges every 17 years but on a slightly different schedule, with the last emergence in 2017. Brood VI also differs from Brood X in that it only includes two of the three species of 17-year periodical cicadas: M. septendecim and M. septendecula. (Photo by Ken Rosenthal via iNaturalist, CC BY-NC 4.0)

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