Hairy cucumber stem with large, crinkled, distorted leaves heavily shaded black. A few small flowers and a tendril pictured. Black and white art.

Figure 20F. Cucumber leaves infested with melon aphids may become curled, stunted, and dark with sooty molds.

Hairy cucumber stem with large, crinkled, distorted leaves heavily shaded black. A few small flowers and a tendril pictured. Black and white art.

Illustration by USDA.