Top view of pear-shaped, wingless aphid with apparent slightly humped back. Shaded black with light skeleton-like markings. Short, stubby cauda and cornicles.

Figure 11A. Turnip aphid—wingless adult. Illustration by USDA.

Top view of pear-shaped, wingless aphid with apparent slightly humped back. Shaded black with light skeleton-like markings. Short, stubby cauda and cornicles.

Illustration by USDA.