Brood X Cicadas Are About To Emerge—Here’s What You Need To Know

Topline Trillions of cicadas that have been underground since 2004 are about to emerge in 15 states in the U.S., and while the insects known as Brood X won’t cause humans any harm, experts say individuals in those states can plan on seeing as many as 1.5 million cicadas per acre.   RESON, VA – MAY 16: Adult cicadas dry their wings on leaves May 16, 2004 in Reston, Virginia. After … [+] 17-years living below ground, billions of cicadas belonging to Brood X are beginning to emerge across much of the eastern United States. The cicadas shed their larval skin, spread their wings, and fly out to mate, making a tremendous noise in the process. (Photo by Richard Ellis/Getty Images) Getty Images Key Facts Brood X will be mostly concentrated in Maryland and D.C., but sightings are possible from Long Island, N.Y. to northern Georgia and Midwestern states like Indiana and Kentucky. Brood X cicadas hibernate for 17 years and only emerge to mate, lay new eggs and then die off before the newly hatched cicadas climb back underground for another 17 years. The Washington Post forecasts soil will reach the right temperature (approximately 64 degrees Fahrenheit) for cicada nymphs to emerge on Sunday.  A cicada tracking app created by… Click below to read the full story from Forbes
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