Massive swarm of 17-year cicadas expected to emerge in southwestern Pa.

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    JOHNSTOWN, Pa. (WJAC) — An immense swarm is on the horizon, according to a report by CNN affiliate KDKA.

    Experts say it’s the year of the 17-year cicadas, and a massive brood of cicadas is expected to emerge from the ground this spring millions strong.

    Bob Davidson, invertebrate zoology collection manager for the Carnegie Museum of Natural History tells KDKA, “They will wait until the temperature of the soil is roughly 64 degrees. So in the past that has been mid-May and they’ll be out all through June.”

    Davidson tells KDKA the 17-year cicadas’ emergence this year will only occur in Southwestern Pennsylvania, the eastern edge of Ohio and the tip of West Virginia.

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