Small Grain, Corn, and Sorghum Aphid Key: Body Color

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

From "body is olive to bluish-green and cornicles are slightly swollen and appear constricted near flange"

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

Illustration second branch of medial vein absent

Body is light to dark olive-green. Unguis of antennal segment VI is more than 4 times as long as base. Second branch of medial vein arises near wing tip or is absent.

Illustration of second branch of medial vein normal

Body is bluish-green. Unguis of antennal segment VI is less than three times as long as base. Second branch of medial vein is normal.

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

From "body is olive to bluish-green and cornicles are slightly swollen and appear constricted near flange"

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