Two nymphs in top view. Nymph on left, labeled A, has a longer, oval body. Nymph on right, labeled B, is smaller and pear-shaped. Black and white art.

Figure 32A-B. The cornicles on these aphid nymphs are very small (black arrows). The cauda (gray arrow) is small on A and absent on B.

Two nymphs in top view. Nymph on left, labeled A, has a longer, oval body. Nymph on right, labeled B, is smaller and pear-shaped. Black and white art.

Illustrations by J.R. Baker, NC State.