Hibiscus White Cottony Strands: Scale Insects Need Systemic Control

3 hibiscus have white cotton-like strands under leaves with small bugs. What are they and what to do?

Diagnosis: Scale Insects

Cottony strands = scale egg sacs/coverings. Bugs = crawlers/nymphs.

Imidacloprid soil drench (Bayer Advanced Tree & Shrub) — at Lowe's/Home Depot. Kills in week, protects 1 year.

Plant Diseases: Grapefruit Tree Webs: Beneficial Psocids, Not Pests; Midge Fly Swarms Near Water Treatment Plant: Source Control Required; Tiny Flying Bugs in Home: Not Fleas, Maybe Fungus Gnats; Identifying and Controlling Whiteflies on Hibiscus Plants; Mystery Insects on Indoor Hibiscus: Likely Ladybug Larvae, Not Pests; Indoor Hibiscus Pruning and Pest Management for Year-Round Blooms; Identifying and Treating Mealybugs on Hibiscus; Hibiscus Root Pests: Fungus Gnat Larvae; Hibiscus Sunburn After Indoor Wintering: North Dakota Transition Protocol; Identifying Mealybugs or Adelgids on Pruned Shrubs

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