Five stages of nymphs labeled C, D, E, F, and G, from smallest to largest. First three stages on top row; two largest nymphs below. Black and white art.

Figure 22C–G. Squash bug nymphal stages.

Five stages of nymphs labeled C, D, E, F, and G, from smallest to largest. First three stages on top row; two largest nymphs below. Black and white art.

Illustration by USDA.