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Pecan Tree Dripping Sticky Honeydew? Aphid Control for a Clean Driveway

Source

12-yr-old pecan in S. Greece driveway. Sticky honeydew on cars in summer = aphids.

Contact Insecticides (Foliar)

acephate, bifenthrin, chlorpyrifos, cyfluthrin, diazinon, malathion, permethrin, pyrethrum, etc. Rotate classes to manage resistance.

Systemic (Soil) — Best for Large Trees

Imidacloprid (Bayer Advanced Garden Tree & Shrub Insect Control). Apply to soil → months of aphid control. Less harm to beneficials. Check local nursery.

Plant Diseases: Pecan Tree Limb Drop: Drought, Weevils, and Borers; Pecan Nuts Moldy or Shriveled: Water Stress, Not Disease; Dwarf Lemon Sticky Residue: Scale or Aphid Honeydew Solution; Pecan Tree No Nuts: Water, Zinc, Fertilizer, Pruning Guide; Pecan Tree Nut Problems: Weevils, Scab, and Spray Schedule; Northern Tooth Fungus on Maple: Hard White Ooze Confirmed; Honeydew and Sooty Mold from Aphids on Street Trees: City Management; White Sticky Webbing on Tree Trunks in Houston: Harmless Bark Lice; Sticky Sap Dripping from Oak: Aphids or Scale; Identifying and Treating Sticky Honeydew on Indoor Lemon Trees

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