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How to Manage Pests

Identification: Key to Aphids Commonly Found in Small Grains, Corn, and Sorghum in California

| Start key | Aphid summary |

From "cauda is elongate or rounded and each antenna has six segments"

Click on the illustration or description that best describes the winged aphid.

Swollen cornicles   Cyldrical cornicles
Body is olive to bluish-green. Cornicles are slightly swollen, appearing constricted near flange   Body is light to bright green. Cornicles are cyclindrical to tapering.
Where are the cornicles and flange?

Statewide IPM Program, Agriculture and Natural Resources, University of California
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