Mealybugs and scales
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 [...] 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 [...] important families within the superfamily Coccoidea. This superfamily belongs to the order Hemiptera (the true bugs ). Coccoidea are at first sight barely recognizable