Problem

Publication

Thyronectria canker

William Jacobi, Colorado State University,
Bugwood.org
Canker
(Thyronectria)
Canker Sampling of Trees and Woody Ornamentals
Cercospora fungi

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org
Leaf Spot
(Cercospora)
Cercospora Leaf Blight in Kentucky
Honeylocust spider mite
Whitney Cranshaw, Colorado State University, Bugwood.org
MiteSpider Mites on Landscape Plants
Fall webworm

Ronald F. Billings, Texas A&M Forest Service, Bugwood.org
WebwormTent Caterpillars
Powdery mildew
Dr Parthasarathy Seethapathy, Tamil
Nadu Agricultural University, Bugwood.org
Powdery Mildew
(Oidium)
Powdery Mildew
Locust leafminer

Steven Katovich, Bugwood.org
LeafminerLocust Leafminer