After 17 Years Underground, Cicadas Stage a 2020 Southern Invasion

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After 17 Years Underground, Cicadas Stage a 2020 Southern Invasion
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They break through the ground, like the undead emerging from graves.They scuttle in huge packs in the same direction, through the forest floor and up trees where they settle on the branches. There, they break out of their exoskeletons, at first sickly white and soft before they take on their red-eyed

They scuttle in huge packs in the same direction, through the forest floor and up trees where they settle on the branches. There, they break out of their exoskeletons, at first sickly white and soft before they take on their red-eyed, coal-black adult form and fly off by the billions.

Periodical cicadas’ life span is among the longest of any insect, but they spend only a sliver of their days in the sun. After growing underground for 13 to 17 years, a brood will come out in one of 15 specific regions of the United States. This year, males have already started calling out to females in southwest Virginia, West Virginia and parts of North Carolina, the mating grounds of Brood IX.

Story continuesCicadas are not poisonous — a big part of their appeal to animals — and they do not harm humans. But they lay enormous quantities of eggs on small twigs, which does little damage to mature trees but can stunt the growth of young trees and vines, or even kill them.

The billions that are left alive can then mate in peace and lay their eggs. The adults quickly die off after their work is done. Once their eggs hatch, the nymphs fall to the ground, where they will nestle into the earth for the next 17 years.

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