Mealy bug Meaning, Definition & Usage

  1. noun scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees
    mealybug.

WordNet


Definitions
  1. (Zoöl.), a scale insect (Coccus adonidum, and related species), covered with a white powderlike substance. It is a common pest in hothouses.

Webster 1913