Oak
| Photo | Problem | Publication |
|---|---|---|
 Joseph OBrien, USDA Forest Service, Bugwood.org |
Anthracnose (Apiognomonia) |
Shade Tree Anthracnose |
 John Hartman, University of Kentucky, Bugwood.org |
Bacterial Leaf Scorch (Xylella) |
Bacterial Leaf Scorch |
 Steven Katovich, Bugwood.org |
Leaf Spot (Tubakia) |
Tubakia Leaf Spot Appearing on Oak Trees |
 Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org |
Powdery Mildew (Phyllactinia) |
Powdery Mildew |
 Steven Katovich, Bugwood.org |
Oak Apple Gall | Common Oak Galls |
 John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org |
Horned Gall Wasp |
Horned Oak Gall |
 Steven Katovich, Bugwood.org |
Jumping Oak Gall |
Common Oak Galls |
 James Solomon, USDA Forest Service, Bugwood.org |
Leaf Skeletonizer | Leaf Skeletonizers on Oaks |