San Jose scale
Noun 1. A specific, destructive insect: The San Jose scale is a small insect, originally from East Asia, that has become established in the United States. It is a significant agricultural pest that feeds on and damages the bark, leaves, and fruit of various fruit trees and other woody plants.
The term "San Jose scale" is used specifically to refer to this insect species (Quadraspidiotus perniciosus) in agricultural, entomological, and gardening contexts. It is always treated as a singular noun, though the word "scale" within it refers to the insect's protective covering.
- The orchard was quarantined due to an infestation of San Jose scale.
- San Jose scale can be controlled with horticultural oils applied during the dormant season.
- Identifying San Jose scale early is crucial for protecting apple and peach trees.
- The term is often used in the compound noun "San Jose scale infestation" to describe a problematic population of the insect.
- In scientific writing, the Latin binomial is used alongside or instead of the common name "San Jose scale."
- Scale insect (n): The general category of small, sap-sucking insects to which the San Jose scale belongs. All San Jose scales are scale insects, but not all scale insects are San Jose scales.
- Armored scale (n): A subclassification of scale insects characterized by a hard, protective cover. The San Jose scale is a type of armored scale.
- Pest insect: A general term for an insect that causes damage to crops.
- Quadraspidiotus perniciosus: The formal Latin name for the species.
The name "San Jose scale" is a proper noun derived from San Jose, California, where it was first described as a serious pest in the United States. The "scale" refers to the waxy, plate-like covering that protects the insect's body. It does not refer to a device for weighing or a system of measurement.
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small east Asian insect naturalized in the United States that damages fruit trees
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