Adult at left, labeled C. Oval body and long, spindly legs. Nymph at right, labeled D, looks similar, with shorter, more rectangular body. Black and white art.

Figure 28C–D. Pea aphid wingless adult (C) and nymph (D).

Adult at left, labeled C. Oval body and long, spindly legs. Nymph at right, labeled D, looks similar, with shorter, more rectangular body. Black and white art.

Illustrations by USDA.