armyworm
Học thuậtThân thiện
Definition
Noun: 1. Larva of a fungus gnat: The larva of a type of fly (fungus gnat) that feeds on cereals and other grains. These larvae are known for moving in large, orderly groups when their food source is depleted. 2. Moth species: A type of moth whose destructive larvae travel in vast numbers. 3. Noctuid moth larvae: Specifically, the larvae of certain noctuid moths that move in multitudes, causing significant damage to grasses and grain crops.
Usage Examples
- Noun:
- The farmer was concerned to see an armyworm infestation advancing across his wheat field.
- Scientists study the migration patterns of the armyworm to develop better control methods.
- An armyworm outbreak can devastate a region's staple crops in a matter of days.
Advanced Usage
- Collective noun usage: The term is often used in a collective sense to describe the group or infestation itself.
- The field was overrun by armyworm.
- As a modifier: Used attributively to describe related concepts.
- The region is on high alert for armyworm damage this season.
Variants and Related Words
- Army worm (less common spelling): An alternative spelling of the same term.
- Fall armyworm (): A specific, highly destructive species of armyworm.
- True armyworm (): Another common species referred to by this name.
Synonyms
- Caterpillar (general term for moth/butterfly larva)
- Larva (general term for the juvenile stage of an insect)
- Pest (in the context of agriculture)
Related Phrases & Context
- Armyworm outbreak: A sudden, large-scale appearance of these pests.
- Armyworm control: Methods and strategies used to manage or eliminate infestations.
- Marching in armies: A descriptive phrase referencing the characteristic group movement of the larvae.
Noun
- larva of fungus gnat that feed on cereals and other grains; they march in large companies in regular order when the food is exhausted
- moth whose destructive larvae travel in multitudes
- noctuid moth larvae that travel in multitudes destroying especially grass and grain