Aphids
form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded, giving rise to deformed leaves, or [...] content but is rich in sugars. Aphids therefore need to extract large quantities of sap in order to get sufficient protein. As a consequence, the excess sugar