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The invasive emerald ash borer (Agrilus planipennis) was discovered in North America in Michigan in June of 2002. This insect is native to East Asia […]
Professor Chris Williamson describes how the UW-Madison Entomology Department is fighting to protect Wisconsin’s ash trees in this video (2017).
UW-Entomologists demonstrate the use of a soil-drench treatment to protect an ash tree from the emerald ash borer: