White Oval Specks on Bushes: Scale Insects, Not Fungus

Toronto bush has white 1–2mm oval "insects" on leaves/stems, spreading to fir needles. Record rain summer. What and how to treat?

Diagnosis: Scale Insects

White rice-grain bumps = scale. Kill plants if untreated.

Imidacloprid soil drench (Bayer Advanced) around base of affected plants. Roots absorb → systemic kill → 1-year protection.

Plant Diseases: Hibiscus White Pest Complex: Atomic Grow Organic Health Approach; Fungus on Indoor Hibiscus Flowers: Prevention in Sunroom; Reddish-Purple Powder on Multiple Plants: Sooty Mold from Insects; Scale Insects Masquerading as Fungus on Lilac; Southern Blight in Vegetable Gardens: White Rubbery Soil Fungus; Thick White Fungus Around Ferns and Roses: Nuisance or Threat?; Fixing Soil Mistakes: Vermiculite, Contaminated Peat, and Springtail Infestations; Eliminating Whiteflies on Poinsettias Brought Indoors; Identifying White Fungus vs. Mealybugs on Indoor Plants; White Stuff on Leaves: Mealybugs, Not Fungus

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