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Animal Damage -
Environmental Damage -
Diseases -
Bacterial Diseases -
Fungal Disease - Anthracnose Diseases
- Anthracnose in Flowers
- Anthracnose in Turfgrass
- Apple Scab
- Black Knot
- Black Spot
- Botryosphaeria Canker/Dieback
- Brown Patch in Turfgrass
- Brown Spot
- Cankers on Roses
- Cedar Apple Rust
- Cedar-Hawthorn Rust
- Cedar-Quince Rust
- Cercospora Blight
- Cytospora Canker of Spruce
- Daylily Leaf Streak
- Diplodia (Sphaeropsis) Blight
- Dogwood Anthracnose
- Dollar Spot in Turfgrass
- Downy Mildew
- Dutch Elm Disease
- Early Blight or Alternaria Leaf Spot
- Fairy Rings
- Fusarium Wilt
- Gray Leaf Spot
- Gray Mold (Botrytis)
- Gray Mold on Annuals, Herbaceous Perennials
- Gray Snow Mold
- Gummy Stem Blight or Black Rot of Cucurbits
- Helminthosporium Leaf Blights of Sweet Corn
- Helminthosporium Leaf, Crown, and Root Diseases
- Kabatina Tip Blight
- Leaf Smuts
- Lophodermium Needle Cast
- Marssonia Leaf Spots and Blights
- Mushrooms and Puffballs
- Needle Cast of Spruce
- Oak Leaf Blister
- Oak Wilt
- Peach Leaf Curl and Plum Pocket
- Pestalotiopsis Blight
- Phomopsis Blight
- Phomopsis Gall
- Phytophthora Blight
- Phytophthora Canker, Basal Rot, Root Rot
- Pine Cankers and Dieback
- Pink Snow Mold
- Powdery Mildew
- Powdery Mildew on Flowers
- Pythium Blight
- Red Thread
- Rhizosphaera Needle Cast
- Rust in Turf
- Rust in Vegetables
- Scab of Cucurbits
- Septoria Leaf Spot of Tomato
- Slime Molds
- Smooth Patch
- Sooty Mold
- Stigmina Needle Blight
- Summer Patch and Necrotic Ring Spot
- Verticillium Wilt in Small Fruits
- Verticillium Wilt
- Verticillium Wilt on Flowers
- White Pine Blister Rust
- White Rust
- Wood Rots and Decays
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Phytoplasma Disease
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Herbicide Injury -
Insect Injury - Ants
- Aphid
- Apple Maggot
- Asparagus Beetle
- Bagworm
- Bark Beetle
- Bean Leaf Beetle
- Bronze Birch Borer
- Brown Marmorated Stink Bug
- Cabbage Looper
- Cabbageworm
- Colorado Potato Beetle
- Corn Earworm
- Corn Rootworm
- Cucumber Beetle
- Cutworm
- Diamondback Moth
- Eastern Tent Caterpillar
- European Corn Borer
- European Pine Shoot Moth | Nantucket Pine Tip Moth
- Fall Armyworm
- False Chinch Bug
- Flea Beetle
- Hornworm
- Japanese Beetle
- Juniper Webworm
- Leafhopper
- Leafminer
- Lygus Bug
- Pales Weevil and Root Collar Weevil
- Peach Tree Borer
- Picnic Beetle
- Pine Bark Adelgids
- Pine Needle Scale
- Pine Sawfly
- Pine Tortoise Scale
- Pitch Mass Borer
- Root Maggot
- Sawfly
- Slug
- Sod Webworm
- Spittlebug
- Spongy Moth
- Spotted Lanternfly
- Spruce Bud Scale
- Spruce Gall Adelgids
- Spruce Needle Miners
- Spruce Spider Mite
- Squash Bug
- Squash Vine Borer
- Stink Bug
- Tarnished Plant Bug
- Twospotted Spider Mite
- White Grub
- Whitefly
- Zimmerman Pine Moth
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Nematodes
101 Mumford Hall (MC-710)
1301 W. Gregory Dr.
Urbana, IL 61801
Email: extension@illinois.edu