Aphids
Aphids 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 [...] family Aphididae, a family containing many species that cause damage in cultivated crops. The most significant aphids that occur in greenhouses are: Myzus [...] ( tobacco aphid ) on various vegetable and ornamental crops. Aphis gossypii ( cotton aphid ), mainly on Cucurbitaceae, but also on chrysanthemums, and