Potato aphid
production. Life cycle and appearance of Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in [...] Various vegetable and ornamental crops grown in greenhouses are colonized, including tomato, aubergine and roses. Damage symptoms Nymphs and adults extract [...] extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black