tobacco budworm
Học thuậtThân thiện
Definition
Noun: * Tobacco budworm: The larval (caterpillar) stage of a noctuid moth (Heliothis virescens). It is a significant agricultural pest known for causing severe damage to the buds, flowers, and fruits of several important crop plants, most notably tobacco, corn, cotton, and tomatoes.
Usage
- The term tobacco budworm is used specifically to identify this pest insect in agricultural, entomological, and gardening contexts. It describes the destructive larval form, not the adult moth.
- It functions as a countable noun (e.g., , ).
Examples
- Farmers are monitoring their cotton fields closely for signs of the tobacco budworm.
- This pesticide is effective against tobacco budworms and other lepidopteran larvae.
- The tobacco budworm bores into the tomato fruit, ruining the crop.
Advanced Usage
- The species name, , is used in formal scientific writing.
- The damage caused is often described as "budworm injury" or "budworm infestation."
Variants and Related Words
- Budworm (n): A general term for moth larvae that feed on the buds of plants. The tobacco budworm is a specific type of budworm.
- Heliothis virescens (n): The scientific (Latin) name for the species.
- Noctuid moth (n): The family of moths (Noctuidae) to which this insect belongs.
- Corn earworm / Cotton bollworm (): A related and similarly destructive pest species; sometimes confused with the tobacco budworm.
Synonyms
- Pest caterpillar
- Agricultural larva (These are descriptive synonyms, not scientific equivalents.)
Related Phrases
- Budworm infestation: A situation where a crop is heavily affected by these larvae.
- Budworm resistance: A trait in some crop plants that makes them less susceptible to damage from budworms.
Noun
- larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops