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Beneficial Fungus Attacks Oak Scale Insects Naturally

An extension agent found orange/pink masses on a pin oak. A plant pathologist identified them as Fusarium fungus consuming scale insects in cool, damp weather. The fungus slowly eats the scales. Not a reliable control method, but a fascinating example of natural pest regulation.

Landscaping: BB-Sized Bumps on Oak Branches: Galls or Scale? Stress is the Root Cause; Oak Tree Fungus Management: Drainage and Cultural Controls; Identifying and Treating Scale Insects on Orchids; Oak Leaf Galls: Wasp-Induced, Cosmetic Only; Oak Trunk Fungus (Conks): Decay Fungi Management; Dark Clusters on Oak Branches: Insect Galls, Not Fungus; Decay Fungus Conks on Red Oak: Not an Emergency; Orange Mushrooms on Oak Trunk: Decay Fungus, Not an Emergency; Oak Wilt: Ceratocystis fagacearum Spread, Diagnosis, and Management; Oak Root Fungus: Identification, Management, and Prevention

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