emerald ash borer


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

Examples of emerald ash borer in a Sentence

Recent Examples on the Web Even some insects, such as the emerald ash borer, which has already destroyed millions of trees, may find a changing climate amenable. Morgan Greene, chicagotribune.com, "What might be ahead for birds, fish and trees facing Illinois’ changing climate," 20 Apr. 2021 Pathogens and pests such as the emerald ash borer also contributed to the decline, as did Hurricane Sandy and other climatological phenomena. cleveland, "Cuyahoga County will need ‘all hands on deck’ to grow a healthy tree canopy," 15 Apr. 2021 The fungi follows the emerald ash borer into trees through the wounds the beetle creates. Star Tribune, "University of Minnesota works on 'attack fungi' that could fight emerald ash borer," 10 Mar. 2021 The partnership is one of two sites in the country where the agency is working to develop best practices to support healthy forests and communities threatened by stresses like invasive plants, vines, deer and the emerald ash borer. Tatyana Turner, baltimoresun.com, "‘A bit of a haven’: Southwest Baltimore church reclaims a dying urban forest and creates a community oasis," 15 Mar. 2021 Crews have already removed 150 of the 320 ash trees infected with emerald ash borer. Cathy Kozlowicz, Milwaukee Journal Sentinel, "The owners of many Milwaukee-area golf courses and bars now own Wanaki Golf Course. Here are their plans for it.," 4 Mar. 2021 Surroz said part of the motivation for the project is to replace trees lost to the emerald ash borer and other reasons over the last 50 years. Steve Sadin, chicagotribune.com, "Tree-planting program aims to make Waukegan a little greener," 25 Feb. 2021 The progress of two invasive insects, the emerald ash borer, and the hemlock wooly adelgid, could be paused across the midwest by the freeze. Philip Kiefer, Popular Science, "Does a cold winter mean fewer bugs in the summer?," 25 Feb. 2021 For 18 years, North American ash trees have been under attack by a half-inch long, metallic green beetle called the emerald ash borer. Theresa Machemer, Smithsonian Magazine, "Invasive Pest Threatens Future of North American Ash Trees," 25 Sep. 2020

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.

See More

First Known Use of emerald ash borer

2002, in the meaning defined above

Keep scrolling for more

Learn More about emerald ash borer

Time Traveler for emerald ash borer

Time Traveler

The first known use of emerald ash borer was in 2002

See more words from the same year

Statistics for emerald ash borer

Last Updated

8 May 2021

Cite this Entry

“Emerald ash borer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emerald%20ash%20borer. Accessed 13 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Comments on emerald ash borer

What made you want to look up emerald ash borer? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!