The Cicadas Are Coming

After developing underground for last 17 years, billions of cicadas will soon emerge and gather in vast, noisy swarms up and down the US east coast.

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A Brood II cicada (Magicicada septendecim)WIKIMEDIA, MARTIN HAUSERBillions of red-eyed, black-bodied cicadas will swarm the eastern United States in the coming weeks as rising soil temperatures prompt the insects to emerge from the Earth, where they have been developing for the last 17 years.

Known as Brood II cicadas (Magicicada septendecim), the inch-long flying insects will form dense clouds, clinging to walls and trees and any other surface they come across, looking to procreate. The males will emerge first, as soon as the soil temperature reaches 64°F. Then come the females. The first of this year’s Brood II emerged in North Carolina in April, according to CicadaMania.

Once the males have matured into adult winged cicadas, they will thrash out their noisy acoustic signals to attract mates. “When there’s a lot of them together, it’s like this hovering noise,” Chris Simon, a biologist at Connecticut University, told Sky News. “It sounds exactly like flying saucers from a 1950s movie.” The females will lay up to 600 eggs each on ...

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