Aphids
very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the family Aphididae [...] lead to the growth of a black sooty mold. Aphids life cycle Aphid damage Depending on the species, aphids can inflict various types of damage to a crop: [...] therefore need to extract large quantities of sap in order to get sufficient protein. As a consequence, the excess sugar is secreted in the form of honeydew