bollworm
Học thuậtThân thiện
Definition
Noun: 1. A type of moth larva (caterpillar): Specifically, the larva of certain moths that is a major agricultural pest, known for feeding on and damaging the developing seed pods (bolls) of cotton and other plants.
Usage
- The term is used primarily in agricultural and entomological contexts to describe a destructive pest.
- It refers to the larval stage of the insect, not the adult moth.
Examples
- Noun:
- The cotton crop was severely damaged by the bollworm infestation.
- Farmers use integrated pest management to control bollworm populations.
Advanced Usage
- "Pink bollworm": A specific and highly destructive species () that bores into cotton bolls.
- The pink bollworm has developed resistance to some common pesticides.
- "Corn earworm" or "tomato fruitworm": The same species () is often called bollworm when it attacks cotton.
- This caterpillar, known as the corn earworm, also acts as a bollworm in cotton fields.
Variants and Related Words
- Boll (n): The rounded seed capsule of plants like cotton.
- Boll weevil (n): A different type of beetle pest that also attacks cotton bolls.
Synonyms
- Cotton bollworm (n): A more specific synonym.
- Larva (n): The general term for the immature, wingless, feeding stage of an insect.
- Caterpillar (n): The larval form of a butterfly or moth.
Related Phrases
- Bollworm resistance: Refers to a plant's or a pesticide's ability to withstand bollworm damage.
- This new cotton variety has been engineered for bollworm resistance.
Noun
- any of various moth caterpillars that destroy cotton bolls