Definition of emerald ash borer
: 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
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Recent Examples of emerald ash borer from the Web
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Blue Island lost dozens of ash trees on public parkways to the emerald ash borer infestation.
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The emerald ash borer, an invasive insect, has decimated local ash trees over the past 5-8 years, and is making removal of these trees a necessity for area property owners, Monday, August 14, 2017.
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Many invasive species in North America, such as the emerald ash borer beetle and the Asian longhorn beetle, target the same trees preferred by Hercules beetles, Pearson says.
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For example, a new pest or disease could arrive that afflicts popular species, the way the emerald ash borer has devastated ash trees.
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Avoid any kind of ash, which will be vulnerable to the emerald ash borer.
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The task at hand was planting 62 trees to replace trees lost to the emerald ash borer, an invasive and destructive beetle affecting ash trees throughout Ohio and much of the country.
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Since its discovery, the emerald ash borer has killed hundreds of millions of ash trees in North America.
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Cheatgrass, Canada thistle, hoary cress and emerald ash borer complete the top 5.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'emerald ash borer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of emerald ash borer
2002
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