emerald ash borer
noun
: a metallic-green Asian beetle (Agrilus planipennis) accidentally introduced into the U.S. and having a destructive larva that bores into the wood of ash trees
Example Sentences
Recent Examples on the Web Here’s how to keep an eye out for the emerald ash borer, courtesy of the Oregon Forest Pest Detector program at Oregon State University. 
The Oregonian/oregonlive, oregonlive, 9 Aug. 2022 Half of all ash species are jeopardized by the invasive emerald ash borer, a jewel-green insect whose larvae feed on the living tissue just beneath a tree’s bark. Sarah Kaplan, BostonGlobe.com, 23 Aug. 2022 The emerald ash borer, originally from Asia, is predicted to have devastating effects on Oregon’s ash trees, including a species native to the state. Madi Lietz And Aliannah Shalikar, oregonlive, 8 Aug. 2022 For example, the invasive emerald ash borer has killed millions of ash trees across the country, because the trees don’t have the systems to defend themselves against the nonnative beetles. Samantha Chery, Washington Post, 2 Aug. 2022 The emerald ash borer was discovered in Oregon by Dominic Maze, an invasive species biologist for the city of Portland. From Usa Today Network And Wire Reports, USA TODAY, 13 July 2022 In an undated photo provided by the Minnesota Department of Natural Resources, an adult emerald ash borer is shown. CBS News, 12 July 2022 The emerald ash borer is also threatening green ash trees, one of the more abundant species in the floodplain. Madeline Heim, Journal Sentinel, 27 June 2022 Between 2011 and 2016, the city treated tens of thousands of ash trees and tracked the population as the emerald ash borer spread. Morgan Greene And Joe Mahr, Chicago Tribune, 12 June 2022 See More
The Oregonian/oregonlive, oregonlive, 9 Aug. 2022 Half of all ash species are jeopardized by the invasive emerald ash borer, a jewel-green insect whose larvae feed on the living tissue just beneath a tree’s bark. Sarah Kaplan, BostonGlobe.com, 23 Aug. 2022 The emerald ash borer, originally from Asia, is predicted to have devastating effects on Oregon’s ash trees, including a species native to the state. Madi Lietz And Aliannah Shalikar, oregonlive, 8 Aug. 2022 For example, the invasive emerald ash borer has killed millions of ash trees across the country, because the trees don’t have the systems to defend themselves against the nonnative beetles. Samantha Chery, Washington Post, 2 Aug. 2022 The emerald ash borer was discovered in Oregon by Dominic Maze, an invasive species biologist for the city of Portland. From Usa Today Network And Wire Reports, USA TODAY, 13 July 2022 In an undated photo provided by the Minnesota Department of Natural Resources, an adult emerald ash borer is shown. CBS News, 12 July 2022 The emerald ash borer is also threatening green ash trees, one of the more abundant species in the floodplain. Madeline Heim, Journal Sentinel, 27 June 2022 Between 2011 and 2016, the city treated tens of thousands of ash trees and tracked the population as the emerald ash borer spread. Morgan Greene And Joe Mahr, Chicago Tribune, 12 June 2022 See More Word History
First Known Use
2002, in the meaning defined above