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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 "forewing has twice-branched medial vein"

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

Photo of black cornicles   Photo of pale cornicles
Cornicles are black   Cornicles are pale
Where are the cornicles?

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