armyworm

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noun ar·my·worm \ ˈär-mē-ˌwərm \

Definition of armyworm

:any of numerous moths whose larvae travel in multitudes from field to field destroying grass, grain, and other crops; especially :the common armyworm (Pseudaletia unipuncta) of the eastern and central U.S. and Canada

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Recent Examples of armyworm from the Web

The government and FAO are seeking $1 million from donors to probe the damage from the armyworm outbreak. ‘

— okech francis, Bloomberg.com, "Crop-Eating Worms, Cattle Disease Add to South Sudan Anguish," 1 Aug. 2017
For example, the caterpillar of the armyworm moth destroys crops in places like Brazil and Zimbabwe, but can’t survive in places with temperate climates like Romania.

— giorgia guglielmi, Science | AAAS, "Why so much of the world is stuck in a ‘poverty trap’," 25 July 2017
Syngenta invested over $100 million and 15 years in developing Viptera, which has a trait called MIR162 that protects against pests such as earworms, cutworms, armyworms and corn borers.

— Washington Post, "1st farmer lawsuit on deck against Syngenta over China trade," 5 June 2017
Syngenta invested over $100 million and 15 years in developing Viptera, which has a trait called MIR162 that protects against pests such as earworms, cutworms, armyworms and corn borers.

— Washington Post, "1st farmer lawsuit on deck against Syngenta over China trade," 5 June 2017
Syngenta invested over $100 million and 15 years in developing Viptera, which has a trait called MIR162 that protects against pests such as earworms, cutworms, armyworms and corn borers.

— Washington Post, "1st farmer lawsuit on deck against Syngenta over China trade," 5 June 2017
Syngenta invested over $100 million and 15 years in developing Viptera, which has a trait called MIR162 that protects against pests such as earworms, cutworms, armyworms and corn borers.

— Washington Post, "1st farmer lawsuit on deck against Syngenta over China trade," 5 June 2017
Syngenta invested over $100 million and 15 years in developing Viptera, which has a trait called MIR162 that protects against pests such as earworms, cutworms, armyworms and corn borers.

— Washington Post, "1st farmer lawsuit on deck against Syngenta over China trade," 5 June 2017
Syngenta invested over $100 million and 15 years in developing Viptera, which has a trait called MIR162 that protects against pests such as earworms, cutworms, armyworms and corn borers.

— jim suhr, The Seattle Times, "1st farmer lawsuit on deck against Syngenta over China trade," 4 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'armyworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.