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After the last couple of years of periodical cicada activity, this year brings a pleasant break from periodical brood activity.—Sophia Beams, Better Homes & Gardens, 10 Feb. 2026 These mites, also known as Pyemotes herfsi, have been previously confirmed to attack and feed on periodical cicada egg nests and have been known to cause outbreaks of bite rashes on humans, according to the University of Maryland Extension.—Mary Walrath-Holdridge, USA Today, 9 Aug. 2025 Millions of periodical cicadas bide their time, feasting on tree roots and counting the years.—Sarah Henry, The Courier-Journal, 8 July 2025 In 2025, Tennessee will see the emergence of Brood XIV, a 17-year periodical cicada.—Diana Leyva, The Tennessean, 2 July 2025 See All Example Sentences for periodical cicada