noun
- Plural of armyworm; caterpillars of various moth species that move in large groups and cause damage to crops and grasses.
Usage: Usually used in plural form; Common agricultural pest
Examples
- Farmers discovered armyworms infesting their corn fields in late summer.
- The armyworms marched across the pasture, stripping vegetation as they went.
- Pesticide spraying was necessary to control the armyworm population.
- Armyworms can cause significant crop losses if left untreated.
- The caterpillars are called armyworms because they move in massive groups like an army.