Seventeen [years] is just an inordinately long time to keep track of anything, says John Lill, an insect ecologist at George Washington University. I can't keep track of five years, let alone 17, myselfso how an insect does it is pretty remarkable.
During their long stint underground, the insects sip at xylem sap, the nutrient-poor but...
Cicadas most commonly mistime their emergence by either one or four yearsand next year another massive cohort of 17-year cicadas, Brood XIV, is due across parts of the East Coast and Ohio River Basin.
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