Why (some) cicadas only come out once every 17 years

2 mai 2024 | ZME Science
Periodical cicadas spend 99.5% of their life underground. Most of them live in large broods that go underground for cycles of 17 or 13 years — though some have different timings. During these periods, they live as nymphs that feed on fluids from the roots of trees. When the time is right, the (...)
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