Mealybugs and scales
gain an adequate intake of protein, mealybugs must ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Characteristically [...] on this honeydew, which, as well as the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are [...] crops and loss of value. Armoured scales do not produce honeydew. The concealed habit and the protective covering of these insects mean that they are very