Mealybugs and scales
January 1, 1970
However, it is mainly the great quantity of honey-dew that causes the damage because of the sooty mould that grows on it. Ants are also attracted by the honeydew [...] 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 [...] honeydew. In fact, the honeydew with its sooty mould is usually the first sign of the presence of this type of pest. Among ornamental crops, ferns are particularly