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
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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
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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
Cite this Entry
“Fall armyworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fall%20armyworm. Accessed 5 Jul. 2025.
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