That dizzying noise you hear is the sound of 17-year cicadas emerging from their lengthy slumber.
The creatures, known officially as periodical cicadas, already are appearing in farm country in places such as southeastern Nebraska, the University of Nebraska-Lincoln reports.
"It is likely that they will be reaching peak numbers during the first few weeks of June. Do not miss the opportunity to see thousands upon thousands of them flitting about among the trees and calling each other with deafening, raspy songs.
"They will be performing at Schramm, Platte River, and Indian Cave State Parks as well as other locations from Omaha south into Kansas and east into Iowa. The next emergence is scheduled for 2032, so don’t miss this!"
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