chalcid wasp
Học thuậtThân thiện
Definition
Noun: 1. A type of tiny parasitic wasp: Any of numerous very small wasps belonging to the superfamily Chalcidoidea. Their larvae are internal parasites of the eggs or larvae of other insects. Many species are considered beneficial because they help control populations of harmful insects.
Usage and Examples
- General Statement:
- The farmer released chalcid wasps into the greenhouse to control the whitefly infestation.
- Describing Benefit:
- As a natural form of pest control, the chalcid wasp is invaluable to organic agriculture.
- Scientific Context:
- Under the microscope, the chalcid wasp's intricate wing structure is visible.
Advanced Usage
- "Chalcid" as a standalone noun: In entomological contexts, "chalcid" is often used as a shortened form.
- The study focused on the host-parasite relationship between a leafminer and its chalcid.
Variants and Related Words
- Chalcid (noun): A shortened, common form of "chalcid wasp."
- Chalcidoid (adjective/noun): Pertaining to the superfamily Chalcidoidea; a member of this superfamily.
- Parasitoid wasp (noun): A broader category to which chalcid wasps belong, referring to wasps whose larvae develop by feeding on a single host insect, eventually killing it.
Synonyms
- Parasitic wasp: A general term for wasps whose larvae are parasites of other arthropods.
- Beneficial insect: A functional description highlighting its role in pest control.
Notes on Meaning
The term "chalcid wasp" specifically refers to members of the superfamily Chalcidoidea, one of the largest and most diverse groups of parasitoid wasps. Their defining characteristic is their extremely small size (often 1-3 mm) and their parasitic life cycle. While the definition notes they are "beneficial," this is from a human agricultural perspective; ecologically, they are a natural regulating force in insect populations.
Noun
- any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects