Nwe Lay found white scale on Cattleya. Expert: Cattleyas are scale favorites. White suggests mealybug. Hard to eradicate if established. Start: rub all visible adults/crawlers with 70% alcohol (cloth, Q-tip, cotton ball). Eggs/crawlers remain in mix and under sheaths—need systemic insecticide penetrating tissue for 1+ month. Constant vigilance. Isolate infected plants. Consider systemic drench + repot in fresh pot/mix.
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