fall armyworm

noun

: a migratory American noctuid moth (Spodoptera frugiperda) that is destructive to grains and grasses as a larva

Examples of fall armyworm in a Sentence

Recent Examples on the Web What exactly is a fall armyworm? Christine Fernando, USA TODAY, 1 Sep. 2021 Since 2015, fall armyworm moths have ravaged maize crops, by one estimate destroying a third of Kenya’s annual production. Matt Reynolds, WIRED, 3 Mar. 2023 The baculovirus, with its genetic instructions, is then introduced into cells taken from the fall armyworm moth. Carolyn Y. Johnson, Anchorage Daily News, 6 June 2022 The dialogue on fall armyworm (Spodoptera frugiperda) is centred on an agricultural perspective, but not as an invasive species problem. Sahana Ghosh, Quartz, 10 May 2022 So, does climate change play a role in the fall armyworm invasion? Peter Krouse, cleveland, 1 Sep. 2021 Ayanava Majumdar, extension professor at Auburn University in Alabama, agrees that plant health is an important component to controlling the fall armyworm, which resides in southern Alabama for much of the year. Peter Krouse, cleveland, 9 Sep. 2021 What signs should homeowners look for to diagnose fall armyworm? Sylvia Goodman, The Courier-Journal, 1 Sep. 2021 The fall armyworm, Spodoptera frugiperda, isn’t a worm. Scott D. Stewart, Chron, 17 Sep. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fall armyworm.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of fall armyworm was in 1881

Dictionary Entries Near fall armyworm

Cite this Entry

“Fall armyworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fall%20armyworm. Accessed 16 Apr. 2024.

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