Up to 17 US states could be peppered with more than a trillion cicadas this spring, and though it has been a while since these two specific broods emerged at once, double broods are not that rare
Each spring, cicadas burst forth from their underground burrows by the billions. This happens so regularly that we don’t usually remark on it. But this year, two broods – both having been underground for more than a decade – will emerge simultaneously, blanketing parts of the US with trillions of bugs. They will create a racket, an almighty buzz that stretches from the Atlantic Ocean to the border with Canada. And so will the news stories that herald their arrival.
Well, no. This happens every once in a while. In the US, there are three broods of cicadas that emerge every 13 years, and 12 broods that emerge every 17 years. Sometimes they align in the same year, as two did in in 2014 and again in 2015. So why is there so much attention on the cicada emergence in 2024? Will there be an unprecedented number of cicadas coming up?
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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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