In 2013, parts of the eastern US will be engulfed by a giant brood of cicadas. The insects will emerge in their hundreds of millions to sing and mate, after spending 17 years developing underground.
Use the controls at the top right of the graphic to explore when and where all the cicada broods emerge.
Legend:
▲ 17-year broods ▼ 13-year broods
Listen to a cicada chorus:
Source: John Cooley and Chris Simon, University of Connecticut; graphic by Adam Becker and Peter Aldhous, published 3 May 2013.