army cutworm: meaning, definition, pronunciation and examples
LowTechnical / Agricultural
Quick answer
What does “army cutworm” mean?
A moth larva (Euxoa auxiliaris) that feeds on crops and vegetation, and sometimes migrates in large, concentrated groups.
Audio
Pronunciation
Definition
Meaning and Definition
A moth larva (Euxoa auxiliaris) that feeds on crops and vegetation, and sometimes migrates in large, concentrated groups.
A pest insect in North American agriculture known for its gregarious, 'marching' larval behavior, which can cause significant crop damage. Adult moths are sometimes referred to by the same name. In ecological contexts, they are a crucial food source for grizzly bears in certain regions.
Dialectal Variation
British vs American Usage
Differences
The term is almost exclusively used in North American (particularly US and Canadian) agricultural and entomological contexts. In British English, 'cutworm' is understood, but the specific species 'army cutworm' is not a common referent.
Connotations
In North America, connotes a significant agricultural pest. In regions like Yellowstone, it also connotes an important ecological food source ("bear food"). No specific connotation in British English.
Frequency
Very rare in general British English; low-frequency technical term in American English.
Grammar
How to Use “army cutworm” in a Sentence
The army cutworm [verbs: infests, damages, devours] [crop/field].[Farmers/Growers] [verbs: battle, control, spray for] the army cutworm.Vocabulary
Collocations
Examples
Examples of “army cutworm” in a Sentence
verb
British English
- [Not applicable as a verb]
American English
- [Not applicable as a verb]
adverb
British English
- [Not applicable as an adverb]
American English
- [Not applicable as an adverb]
adjective
British English
- [Not standardly used as an adjective]
American English
- [Rarely used attributively, e.g., 'army cutworm infestation']
Usage
Meaning in Context
Business
Rare, except in agribusiness reports discussing crop loss and pest control costs.
Academic
Used in entomology, agriculture, and ecology papers. E.g., 'The foraging ecology of grizzly bears is linked to the abundance of army cutworm moths.'
Everyday
Very rare. Might be used by farmers, gardeners, or wildlife enthusiasts in relevant geographic areas.
Technical
Standard term in agricultural extension guides, pest management literature, and ecological studies of the Rocky Mountains.
Watch out
Common Mistakes When Using “army cutworm”
- Using it as a general term for any caterpillar. Confusing it with 'armyworm' (Spodoptera spp.), which is a different pest. Misspelling as 'army cut worm' (open compound).
FAQ
Frequently Asked Questions
No. They are different pests. Army cutworms (Euxoa auxiliaris) are North American, related to moths. Armyworms (Spodoptera spp.) are a different genus, found globally, and are the larvae of moths in the Noctuidae family. Both names refer to their gregarious behavior.
Primarily alfalfa, winter wheat, sugar beets, and various garden vegetables. The larvae feed on leaves and stems, often cutting seedlings off at ground level.
In summer, adult army cutworm moths congregate by the thousands in rocky alpine areas of the Rocky Mountains. Bears overturn rocks to eat these fat-rich moths, which are a crucial, high-calorie food source.
Control methods include monitoring with traps, applying approved insecticides, using biological controls where possible, and employing cultural practices like tillage to disrupt larvae in the soil.
A moth larva (Euxoa auxiliaris) that feeds on crops and vegetation, and sometimes migrates in large, concentrated groups.
Army cutworm is usually technical / agricultural in register.
Army cutworm: in British English it is pronounced /ˈɑː.mi ˈkʌt.wɜːm/, and in American English it is pronounced /ˈɑːr.mi ˈkʌt.wɝːm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for this specific term]”
Learning
Memory Aids
Mnemonic
Imagine an ARMY of tiny worms wearing helmets, marching in rows and CUTTING down wheat stalks with tiny scythes.
Conceptual Metaphor
PEST AS INVADING ARMY (The insects are an organized, destructive force that attacks the land/farm.)
Practice
Quiz
What is the primary reason the insect is called an 'army' cutworm?