What Scale Looks Like on Orange Star Plant

Easter gift Orange Star plant; instructions warn of scale. Owner doesn't know what it looks like.

Identification

Scale = immobile bumps under hard shell (white, brown, black). Cluster on growing tips, leaf joints, undersides. Mealybugs = soft, cottony, mobile.

Regular pesticides fail. Spray lightweight horticultural oil (not cooking oil). Smothers them. Dead scale wash off with water. Repeat weekly.

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