Three forms of green peach aphid, top view. Aphid A, at top, has spread wings. Aphid B, lower left, is wingless. Aphid C, lower right, is nymph with wing buds.

Figure 11A–C. Green peach aphid winged adult (A), wingless adult (B), and nymph (C).

Three forms of green peach aphid, top view. Aphid A, at top, has spread wings. Aphid B, lower left, is wingless. Aphid C, lower right, is nymph with wing buds.

Illustrations by USDA.