20+ yr oak covered in gall mites → sticky honeydew on vehicles/driveway. Best elimination method?
"Gall mites" likely = gall-making insects (wasps/aphids) or scale insects producing honeydew. True gall mites (eriophyids) don't produce honeydew.
Bayer Advanced Tree & Shrub Insect Control applied to soil. Roots translocate to leaves → kills feeding insects. 2-3 weeks to work, lasts season.
Product info. Available at nurseries.
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