The last time it happened, Thomas Jefferson was president. Later this month, two substantial broods of cicadas, known as Brood XIII and XIX, are set to come to the surface after spending 17 and 13 years, respectively, developing underground.
Georgia Institute of Technology biophysicist Saad Bhamla holds a periodical cicada nymph on the campus of Georgia Institute of Technology in Atlanta on Thursday, March 28, 2024. “We’ve got trillions of these amazing living organisms come out of the Earth, …The last time it happened, Thomas Jefferson was president. The next time it’ll happen is in 2244, when we still won’t have flying cars and a head of lettuce will cost $4,000.
“Billions, even trillions, of cicadas are going to emerge at the same time across 17 states,” Chris Simon, a professor in the Department of Ecology and Evolutionary Biology at the University of Connecticut, told Live Science. These insects’ lifecycle includes the nymphs nourishing on root sap beneath the soil until they are mature enough for reproduction. The mating spectacle is a noisy, hectic affair that may continue for several weeks.
During the initial days of the emergence, morning onlookers may notice the cicadas perched on plants after they molt their exoskeletons. The subsequent phase involves their ascent into trees, where the males attract partners with a high-pitched sound while females respond with clicking sounds that intensify amid mating activities.
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Cicada double brood event: What to expect when trillions of bugs emerge in Eastern USCarys Matthews is a freelance writer for Live Science and has a passion for the natural world. Most recently the group digital editor of BBC Wildlife and BBC Countryfile Magazine, she writes about the outdoors, nature and health and fitness. Prior to this she has worked for a number of sports and environmental titles in the U.K.
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