They may appear translucent brown with a soft, jelly-like consistency. If Vine Weevils are at work, this will most likely be a symptom of its larvae as they eat their way through the roots. Leaves darken . They appear brown or black in color. This is probably a symptom of the larvae.
Plant growth is slow .
If the infestation is not too heavy, you may be able to remove both the Vine Weevil and its larvae by hand. Look for the adult Vine Weevil among the leaves or among the leaf and flower debris which have settled on the surface of the soil. Look for its larvae among the roots. When treating for adult Vine Weevils, spray again, in one month, in order to get any emerging larvae. Prevention Remove any leaf and flower debris which has dropped into the soil.