Also found in: Thesaurus.
any of numerous scale insects of the family Diaspididae, having a waxy covering and including important pests of various trees and shrubs, as the San Jose scale.
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|Noun||1.||armored scale - insect having a firm covering of wax especially in the female|
scale insect - small homopterous insect that usually lives and feeds on plants and secretes a protective waxy covering