Definition of mealybug in English English dictionary
Any of various insects of the family Pseudococcidae, that secrete a powdery wax and are pests of fruit trees
scale-like plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees
Any insect of the family Pseudococcidae (order Homoptera). Not a true bug, the mealybug is covered by a white sticky powder resembling cornmeal. The females, about 0.4 in. (1 cm) long, and "crawlers" (the active young) cluster along the veins and undersides of leaves, especially of citrus trees and potted plants; the males are active two-winged fliers. Common species are the citrus mealybug (Pseudococcus citri) and the citrophilus mealybug (P. gahani)