cutworm
/'kʌtwə:m/
Học thuậtThân thiện
Definition
- Noun:
- A type of caterpillar: A cutworm is the larval (caterpillar) stage of certain moths (family Noctuidae). These larvae are agricultural and garden pests known for their habit of feeding on young plants, often cutting through the stems at or near ground level.
Usage
- The word "cutworm" is a countable noun. It typically refers to the pest itself or to an infestation of such pests.
- It is most commonly used in agricultural, gardening, and entomological contexts.
Examples
- Noun:
- The farmer found several cutworms at the base of the tomato seedlings.
- A severe cutworm infestation can destroy an entire row of young corn plants overnight.
- Gardeners often use protective collars around stems to prevent cutworm damage.
Advanced Usage
- Collective/General Reference: The term can be used in a general sense to refer to the pest problem.
- The main challenge for organic growers is controlling cutworm without synthetic pesticides.
Variants and Related Words
- Cutworms (plural noun): The standard plural form.
- Noctuid moth (noun): The adult moth from which the cutworm caterpillar develops.
- Armyworm (noun): A related type of caterpillar that can also cause similar damage but often moves in large groups.
Synonyms
- Larva (noun): A more general term for the immature, wingless, feeding stage of an insect.
- Caterpillar (noun): The general term for the larval form of a butterfly or moth.
Related Phrases/Idioms
Noun
- North American moth whose larvae feed on young plant stems cutting them off at the ground