Toothpick-like frass signals Asian ambrosia beetle. The female bores in, introduces fungus that often kills the tree. No curative treatment exists. Prevent with spring sprays of cypermethrin, permethrin, or deltamethrin. Monitor emergence with a trap.
Borers in Locust and Willow: Identification and Treatment
Are Any Crapemyrtles Fragrant? (Correction: Some Are!)
Flea Beetle Damage on Eggplant: Organic and Synthetic Controls
Hercules Beetle Identification: Male vs. Female and Fascinating Behaviors
Crapemyrtle Lichens: Harmless Growth or Sign of Stress?
Dwarf Crape Myrtles for Planting Under Power Lines
Crapemyrtle Pruning: Why Tree-Form Varieties Need Almost None
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