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Egg laying of Brood X cicadas is killing tree branches
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Cicadas Blanket Parts of US
Voice of America
22 May 2021, 18:05 GMT+10
ALEXANDRIA, VIRGINIA - Billions, perhaps even trillions, of cicadas are emerging from the soil over a six-week period in more than a dozen U.S. states. The Washington region, including Northern Virginia, is a hot spot for the plentiful but short-lived thumb-sized insect that some find fascinating and others unnerving.
Entomologist Floyd Shockley searched a wooded area in Alexandria, Virginia, for the harmless insects, which slowly climb out of the ground every 17 years from under the deciduous trees on which they feed. An adult cicada climbs up a bush at a forested park in Alexandria, Virginia. Scientists say billions, perhaps even trillions of the insects, may emerge during the next several weeks. (Deborah Block/VOA)
May 22, 2021 Share
Billions, perhaps even trillions, of cicadas are emerging from the soil over a six-week period in more than a dozen U.S. states. The Washington region, including Northern Virginia, is a hot spot for the plentiful but short-lived thumb-sized insect that some find fascinating and others unnerving.
Entomologist Floyd Shockley searched a wooded area in Alexandria, Virginia, for the harmless insects, which slowly climb out of the ground every 17 years from under the deciduous trees on which they feed.
“There’s a couple of adults over here,” Shockley said as he gently picked up a black creature with translucent wings and prominent red eyes. Shockley is the collections manager at the Smithsonian National Museum of Natural History in Washington. Today, he is collecting specimens for research.
17 little-known facts about the 17-year periodical cicadas
Updated May 11, 6:32 AM;
Posted May 11, 5:01 AM
Here’s something fun to try when the 17-year periodical cicada emergence begins in a few days. Snap your fingers.
“If you snap you fingers outside during the cicada onslaught, you may end up with male cicadas flocking onto you,” said Stuart McKamey, scientist with the USDA Systematic Entomology Lab.
He explained that male cicadas send a mating call to the female cicada by vibrating a drum-like organ at the base of its abdomen. In turn, the female will respond with a wing-flick that might sound like what we hear when we snap our fingers.
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