Top view of aphid has grenade shape, with slightly pointed cauda at tip of abdomen flanked by 2 short cornicles. Two dots on each segment. Black and white art.

Figure 8. Corn leaf aphid.

Top view of aphid has grenade shape, with slightly pointed cauda at tip of abdomen flanked by 2 short cornicles. Two dots on each segment. Black and white art.

Illustration by USDA.