Three caterpillars in side view. Caterpillar A, at top, shows 5 prolegs. Caterpillar B, at center, shows 4 prolegs. Caterpillar C, at bottom, shows 3 prolegs.

Figure 26A–C. Illustration of greenhouse leaftier caterpillar (A) by USDA; tiger moth caterpillar (B) by Susan Van Gieson (B), and cabbage looper (C) by J.R. Baker, NC State.