mealybug
nounAny of various soft-bodied scale insects covered with a white powdery substance, especially of the family Pseudococcidae, some of which are destructive to ornamental and agricultural plants.
nounAny of several homopteran scale insects (as,
Any of various
scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees
nounscalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees
