Here comes Swarmageddon!

This spring and summer, trillions of cicadas will emerge in the eastern United States

By Sid Perkins, 16:58 PM May 12, 2013

Two adult cicadas size each other up on a wooden railing. Credit: rbmiles/iStockphoto

If you live in the eastern United States, get ready for a coming-out party. A really loud one. Between now and late July, cicadas will be emerging from the ground in an area that stretches from northern North Carolina to Connecticut and New York’s Hudson River Valley. When large numbers of the adult insects convene, the collective noise made by males can approach 90 decibels — about the same as a gas-powered lawn mower.

“Where the cicadas emerge, it will be spectacular,” says Michael Raup...

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