woolly adelgid

woolly adel·​gid | \ -ə-ˈdel-jəd How to pronounce woolly adelgid (audio) \

Definition of woolly adelgid

: either of two aphids (genus Adelges) with a white woolly coating that have been accidentally introduced into North America:
a : one (A. piceae) native to Europe that is a serious pest of fir trees
b : one (A. tsugae) native to Asia that is a serious pest of hemlocks

Examples of woolly adelgid in a Sentence

Recent Examples on the Web Parasitoids have often proved to be more successful biocontrol agents than predators, like those that might tame the woolly adelgid, because parasitoids are more likely to target a single species, causing less collateral damage. Gabriel Popkin, Science | AAAS, "Can an ambitious breeding effort save North America’s ash trees?," 12 Nov. 2020 There are chemical treatments for some diseases and pests like the woolly adelgid. Marguerite Holloway, New York Times, "New England’s Forests Are Sick. They Need More Tree Doctors.," 7 Oct. 2020 Since the 1980s, however, hemlocks have come under an ever-widening assault from the hemlock woolly adelgid, a tiny insect native to Japan that sucks sugars from hemlock needles, killing trees. Gabriel Popkin, Science | AAAS, "Aphid-munching beetle could help save hemlock forests," 15 Jan. 2020 That money was used to fund grassland restoration efforts benefitting Michigan pheasants, rabbits and elk, and the eradication of the hemlock woolly adelgid, an invasive insect that has the potential to decimate trees across the state. Michigan Wildlife Council, Detroit Free Press, "Proposed legislation boosts funding for Michigan conservation efforts," 28 June 2019 The hemlock woolly adelgid is native to Japan and was first discovered in the western United States in the 1920s. Sheila Vilvens, Cincinnati.com, "The latest invasive insect has 'sucking mouthparts' that kill hemlock trees," 11 May 2018 Survey work by the Ohio Division of Forestry in the Shawnee State Forest in Adams County revealed the presence of the hemlock woolly adelgid. Sheila Vilvens, Cincinnati.com, "The latest invasive insect has 'sucking mouthparts' that kill hemlock trees," 11 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'woolly adelgid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of woolly adelgid

1987, in the meaning defined above

History and Etymology for woolly adelgid

adelgid ultimately from New Latin Adelges, probably irregular from Greek adēlos unseen

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The first known use of woolly adelgid was in 1987

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Cite this Entry

“Woolly adelgid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/woolly%20adelgid. Accessed 13 Apr. 2021.

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