The green peach aphid is the most important vector of potato viruses.
Although it prefers to feed on the lower leaves of potato plants, the green peach aphid will feed on the top leaves if populations are high.
Identification
Wingless forms. They are teardrop-shaped, 1.7–2 mm long and light yellowish-green to pink. The antennal tubercles are prominent and pointed inward. The cornicles are the same shade as the body and slightly swollen on the apical half.
Winged forms. They are about 2 mm long, with a dark-brown to black head and thorax. The abdomen is reen, pink or reddish with a more or less solid dark
patch. The antennal tubercles point inward.
