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Cotton > Year-Round IPM Program > First Open Boll to Preharvest > Aphids and Whitefly

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Cotton

Aphids and Whitefly—First Open Boll to Preharvest

Each name links to more information on identification and management.

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Adult cotton aphid, Aphis gossypii.
Cotton aphid
Identification tip: Cotton aphid is highly variable in body size and color, and adults may be winged or wingless. Nymphs and adults of wingless cotton aphids vary in color from yellow to green to nearly black.

 Silverleaf whitefly adult.
Whitefly
Identification tip: Silverleaf whitefly adults are tiny (0.06 inch, 1.5 mm long), yellowish insects with white wings. Their wings are held somewhat vertically tilted, or rooflike, over the body and generally do not meet over the back but have a small space separating them.

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