US EditionSeventeen years later, Brood XIV cicadas emerge in US
- Brood XIV periodical cicadas emerged in early summer 2025 across the eastern United States, first documented surfacing in the US South.
- These cicadas emerge every 17 years due to biological internal clocks that remain poorly understood, with scientific interest hindered by recent funding cuts and staff reductions.
- Millions of cicadas are expected to appear as warming ground temperatures spread northward, despite threats from habitat loss and climate change causing asynchronous emergences called "stragglers."
- Chris Simon of the University of Connecticut described cicadas as uniquely eastern US insects whose overwhelming numbers saturate predators, with a 2024 rare overlap of broods not repeating in 2025.
- The cicada emergence provides a rare ecological event that experts urge the public to observe and appreciate, while warning that straggler populations could threaten long-term cicada survival.
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Billions of cicadas from the second-largest brood will soon emerge in these states
It's the most wonderful time of the year for cicadas. The next notable brood is set to rise from their 17-year slumber beneath the soil in less than two weeks. Brood XIV is the second-largest cicada group after Brood XIX, according to the University of Connecticut's research collections on periodical cicadas. The brood was first reported in 1634, with its last emergence in 2008. This brood will likely peak in mid-May, emerging in more than a doz…
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