| Problem | Publication |
William Jacobi, Colorado State University,
Bugwood.org
| Canker
(Thyronectria) | Canker Sampling of Trees and Woody Ornamentals |
Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org
| Leaf Spot
(Cercospora) | Cercospora Leaf Blight in Kentucky |
Whitney Cranshaw, Colorado State University, Bugwood.org | Mite | Spider Mites on Landscape Plants |
Ronald F. Billings, Texas A&M Forest Service, Bugwood.org
| Webworm | Tent Caterpillars |
Dr Parthasarathy Seethapathy, Tamil
Nadu Agricultural University, Bugwood.org | Powdery Mildew
(Oidium) | Powdery Mildew |
Steven Katovich, Bugwood.org
| Leafminer | Locust Leafminer |
