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Identification
Brown, tan, or white shell-like bumps on stems and leaves. Can look like part of the plant.
cycle
Life Cycle
Crawlers emerge from under scale and disperse. Settled scales are immobile under protective shell.
warning
Damage Signs
Sap-sucking weakens plant. Honeydew leads to sooty mould. Heavy infestations cause dieback.
healing
Treatment
Scrape off manually. Apply horticultural oil. Systemic insecticide for severe cases.
shield
Prevention
Inspect new plants. Avoid stress conditions that weaken plants.