2 cicada broods will emerge around the same time in the U.S.
Briefly

In parts of the Midwestern states, we're going to have a simultaneous emergence of what we call the Great Southern Brood - that's Brood XIX - and this is going to bump right up against Brood VIII, which is the Northern Illinois Brood. This hasn't happened in that part of the country since Jefferson was signing the Louisiana Purchase back in 1803.
It's going to be seven species of cicada in total that are going to be emerging out there in the Midwest and throughout parts of the South this year.
Read at www.npr.org
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