Some 17-year cicadas might show up a year early in Chicago

Some 17-year cicadas are expected to emerge in Northern Illinois this spring — a year ahead of schedule. (AP file)

Expect to hear the chirping of some cicadas in the next week when a portion of the 17-year brood might appear a year early.

Since only a small fraction of the cicada brood could emerge, they will likely all be eaten by predators before they’re able to mate.