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Identifying Mealybugs or Adelgids on Pruned Shrubs

White Mold and Tiny Eggs on Unknown Shrubs

Pruning unknown shrubs reveals white mold and thousands of tiny maggot-like eggs on leaves.

Likely Pests by Host

  • Yews (Taxus): Mealybug adults and crawlers.
  • Hemlocks: Hemlock woolly adelgid.
  • Other: Too early for whitefly.

Immediate Treatment

Spray interior of shrubs with 2% horticultural oil. Suffocates all stages. Repeat per label. Identify host plant for precise ID.

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