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The emerald ash borer, a species native to China and eastern Asia, has killed tens of millions of ash trees in the eastern United States and Canada. (Minnesota Department of Natural Resources/AP). The emerald ash borer, Agrilus planipennis , is never furloughed. Native to Asia, this insect is an invasive species killing beloved ash trees across North America. “It’s sweeping like fire through timber,” said Jeanne Romero-Severson, a plant geneticist at Notre Dame, who has been working with the Forest Service on a breeding program to create an insect-resistant ash tree. She had been planning to meet with colleagues to discuss the bad beetle at an annual U.S. Agriculture Department invasive sp... Full story

18 January