leaf miner

noun

Definition of leaf miner

: any of various small insects (such as moths or dipteran flies) that in the larval stages burrow in and eat the parenchyma of leaves

Examples of leaf miner in a Sentence

Recent Examples on the Web Cutting off infected leaves causes the tree to make new leaves, which will also get infected with leaf miner. Nan Sterman, San Diego Union-Tribune, "October chores for home gardeners," 3 Oct. 2020 The pest attacking your tomatoes is called a leaf miner. Dan Gill, NOLA.com, "Reader wants a flowering vine with evergreen foliage: Coral honeysuckle is the answer," 3 Sep. 2020 Spinosad insecticides also control thrips, leaf miners and immature stink bugs. Tom Maccubbin, orlandosentinel.com, "Fertilize camellias when buds are present," 15 Nov. 2019 That is summary-talk for birch leaves withering, massive lilac leaf roller attacks, aphid invasions and leaf miners where there are no aphids. Jeff Lowenfels, Anchorage Daily News, "Our spruce trees are dying. We need to talk about what happens next.," 30 Aug. 2019 If those are missing, the FDA allows larvae of spinach worms or eight whole leaf miner bugs. Sandee Lamotte, CNN, "Bugs, rodent hair and poop: How much is legally allowed in the food you eat every day?," 4 Oct. 2019 The species, present in Europe since before the last Ice Age, has been threatened by defoliation because of the leaf miner moth, and a blotch caused by a fungus, as well as by human pressures. San Diego Union-Tribune, "Report: 58% of Europe-only trees face extinction threat," 27 Sep. 2019 This is a natural substance made by a soil bacterium that is effective against all chewing insects other than slugs and snails (caterpillars, thrips, leaf miners, etc.). Earl Nickel, SFChronicle.com, "How to keep pesky visitors out of the garden," 20 Sep. 2019 Data suggests tomatoes can tolerate up to three leaf miners per leaf, but these bugs certainly make the plants look bad and may reduce vigor. Tom Maccubbin, orlandosentinel.com, "Herb-growing season in Florida coming soon," 7 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'leaf miner.' 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 leaf miner

1830, in the meaning defined above

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The first known use of leaf miner was in 1830

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Last Updated

16 Oct 2020

Cite this Entry

“Leaf miner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaf%20miner. Accessed 20 Oct. 2020.

More from Merriam-Webster on leaf miner

Britannica.com: Encyclopedia article about leaf miner

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