After 17 Years Underground, Brood X Cicadas Return For 'Romance In The Treetops'
After spending 17 years sucking on tree roots underground, the largest brood of cicadas in the U.S. — Brood X — is out and about. The beady-eyed insects, no bigger than a thumb, are now engaged in a massive mating ritual in treetops across the eastern part of the country.
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