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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Knowing what fall armyworms look like and how to treat them is your best defense against these destructive pests. Arricca Elin Sansone, Southern Living, 13 Aug. 2024 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 See all Example Sentences for fall armyworm 

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 15 Nov. 2024.

Last Updated: - Updated example sentences
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