Crape Myrtle Cottony Aphids: Sticky Webs and Systemic Control

20 Crape Myrtles with Sticky Spiderweb-Like Material

Sticky, web-like coating killing foliage. No obvious bugs. Moore, OK.

Small soft-bodied insects suck sap, secrete honeydew (sticky), produce white waxy material covering leaves/stems.

Foliar Spray: Orthene (acephate)—spray complete leaf surface, repeat in 10 days.
Systemic Soil Drench: Bayer Advanced Tree & Shrub Insect Control—roots absorb, kills aphids when they feed. Better for large trees where spray can't reach tops. Product Link.

Plant Diseases: Elm Tree with Peeling Bark and Defoliation: Insect Feeding Likely; Lemon Tree Leaf Curl and Yellowing in Madrid: Environmental Stress; Toothache Tree Decline: Mystery Dieback in Containers—Organic Neem Protocol; Jasmine Leaf Damage and White Blobs: Grasshoppers/Slugs and Mealybugs; Honeysuckle Destroyed by Caterpillars: Hand-Pick or Bt; Hoya Leaf Spot Fungus: Rain, Repotting, and Recovery; Leaf Galls on Walnut and Oak: Harmless Insect Architecture; Lilac Powdery Mildew: Common and Recognizable; Managing Black Spot on Knockout Roses in Humid Climates; Treating Recurrent Leaf Crinkling on Roses: Fungal Mold Management

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