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
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 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
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 13 Feb. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share