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Integrated Pest Management · Agriculture and Natural Resources

University of California

Psyllids and whiteflies

Lerp psyllid

Eucalyptus redgum lerp psyllid.


Adult whiteflies and nymphs.


Waxy strands from infestation of giant whitefly.

Psyllids and whiteflies are sap-sucking insects that excrete sticky honeydew, often leading to the growth of black sooty mold on affected plants. As adults, psyllids resemble miniature cicadas, while whiteflies are tiny insects with yellowish bodies and whitish wings.

Psyllids (GENERAL)

Whiteflies (GENERAL)

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