Obscure mealybug
order to gain an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew [...] primarily at the foot of the stalk. In an overhead wire system of cultivation, the mealybugs are often located on the horizontal part of the stalk. These mealybugs [...] us viburni is difficult to control biologically. Damage symptoms Although most species of mealybug feed on the aerial parts of the plant, some species