Grape mealy bug
and nymphs suck the sap from the leaves, shoots, flowers and grape bunches. Malformation of leaves and shoot tips due to infestation of growing points. [...] secretion of mealy bugs support sooty mould growth on infected area. Young vines often die due to severe infestation of mealy bugs. Feeding damage in grapes [...] grapes is minimal but the marketability is greatly affected due to its cottony egg mass, honey dew, sooty mould and dead mealy bugs on grape berries. Infected