onion louse
Definition
Noun: 1. Onion louse: A small, sap-sucking insect (Thrips tabaci) that is a pest, specifically harmful to onion plants and sometimes to tobacco plants. It is a type of thrips.
Usage
- The term "onion louse" is used specifically in agricultural and gardening contexts to refer to this pest insect.
- It functions as a countable noun (e.g., an onion louse, onion lice).
Examples
- Noun:
- The farmer discovered onion louse infestations in half of his crop.
- Onion louse damage can cause silvery streaks and distorted growth on leaves.
- Controlling onion louse populations is essential for a healthy harvest.
Advanced Usage
- The term is technically a compound noun but is treated as a single lexical unit for this specific insect.
- In formal entomological contexts, the Latin name or the common name onion thrips is often preferred over "onion louse."
Variants and Related Words
- Onion thrips (n): The more common modern name for the same insect ().
- Thrips (n): The general name for the order of insects to which the onion louse belongs.
Synonyms
- Onion thrips
- Thrips tabaci (scientific name)
Notes on Different Meanings
- The word "louse" on its own typically refers to a different type of insect parasite (e.g., head louse). In the compound "onion louse," it is used more broadly to mean a troublesome pest.
Noun
-
injurious to onion plants and sometimes tobacco
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