Insects

• Bagworms

Diseases

• Cedar Apple Rust
• Phomopsis Blight
• Seiridium Canker

Insects

• Cottonwood Borer
• Cottonwood Leaf Beetle

Insects

• Crapemyrtle Aphid

Diseases

• Phyllosticta Leaf Spot

Diseases

• Spot Anthracnose on Dogwood

Insects

• Brown Elm Scale
• Elm Calligrapha Beetle
• Elm Leaf Beetle
• Lace Bugs
• Smaller European Elm Bark Beetle

Diseases

• Black Spot
• Dutch Elm Disease

Diseases

• Ivy Leaf Spot

Diseases

• Euonymus Scale

Diseases

• Hosta Virus X

Diseases

• Didymellina Leaf Spot of Iris

Diseases

• Popcorn Disease of Mulberry

Insects

• Horned Oak Gall
• Redheaded Ash Borer
• Vein Pocket Gall

Diseases

• Hypoxylon Canker
• Oak Decline
• Ramorum Blight (Sudden Oak Death)

Diseases

• Entomosporium Leaf Spot

Insects

• Bark Beetle
• Conifer Aphid
• Pine Sawyer Beetle
• Pine Tip Moth 

Diseases

• Diplodia Tip Blight
• Dothistroma Needle Blight
• Fusiform Rust
• Natural Needle Drop
• Pine Wilt or Pine Wood Nematode
• Winter Desiccation Injury of Evergreens

Insects

• Thrips

Diseases

• Botrytis Blight of Rose
• Downy Mildew
• Powdery Mildew
• Rose Black Spot
• Rose Mosaic

Diseases

• Rhizosphaera Needle Cast of Spruce

Insects

• Lace Bugs

Diseases

• Phyllosticta Leaf Spot
• Sycamore Anthracnose

Insects

• Willow Leaf Beetle, Cottonwood Leaf Beetle