Definition

1. Noun:
   • A destructive insect larva: The corn earworm is the larval stage of a noctuid moth (Helicoverpa zea). It is a significant agricultural pest known for causing severe damage, particularly to corn, cotton, and tomato crops. The larvae bore into the fruits, ears, or bolls of these plants.

Usage Examples

• Noun:
  • Farmers are monitoring their fields closely for signs of the corn earworm.
  • The corn earworm can devastate a tomato harvest if left uncontrolled.
  • This pesticide is effective against the corn earworm in cotton.

Advanced Usage

• Scientific context: In entomology, the term is used precisely to refer to this specific species, which may also be called the "tomato fruitworm" or "cotton bollworm" depending on the host crop.
  • The study focused on the migration patterns of the corn earworm, Helicoverpa zea.

Variants and Related Words

• Helicoverpa zea (n): The scientific name for the moth species whose larva is the corn earworm.
• Tomato fruitworm (n): A common name for the same larva when it infests tomato plants.
• Cotton bollworm (n): A common name for the same larva when it infests cotton plants.
• Noctuid moth (n): The family of moths (Noctuidae) to which this pest belongs.

Synonyms

• Larva (n): The immature, wingless, feeding stage of an insect.
• Agricultural pest (n): An organism that damages crops.
• Caterpillar (n): The larval form of a butterfly or moth (a more general term).

Related Phrases

• Earworm infestation (n): A situation where a crop is heavily affected by these larvae.
  • The field suffered from a severe earworm infestation this season.
• Earworm damage (n): The harm caused to plants by this pest.
  • Inspecting for earworm damage should be done weekly.

Noun

1. larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops