ATLANTA -- Days after storms and tornadoes battered southern states, they are bracing for another ominous sight overhead, National Public Radio reported Saturday.
Billions of Brood 19 cicadas are expected to begin appearing in early May. Also called the Great Southern Brood, their emergence across the American south is something that happens only once every 13 years.
This particular type of cicada is unusual for reasons other than the fact that they have been developing underground for the past 13 years. They also travel in massive swarms that can produce a buzz of up to 85 decibels, louder than the sound of a jet flying overhead.
The cicadas that will crawl up out of the ground in the next few weeks are the offspring of the bugs that appeared in 1998. After emerging from the soil, the nymphs gather in trees, shed their skins and almost immediately begin mak
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