There may be 30 generations each year. In cooler areas, these aphids overwinter as black, shiny eggs on the bark of peach, plum, apricot, and cherry trees. Habitat and food sources . On winged forms, the second abdominal segment has a double-pronged hump. Wings are clear with dark markings, and they are held in a roof-like position over the back of the body.
Some adults are wingless.
Nymphal stages are yellow and wingless. Life cycle . Female aphids produce live young, particularly during the summer months. Nymph and adult stages can be found on host plants throughout the year, but appear to build up in higher numbers during the hot summer months. Habitat and food sources .