These documents are in PDF format and will open in a new window.
17-Year Periodical Cicadas
Algae and Moss
Anthracnose, Sycamore and other Shade Trees
Anthracnose of Turf
Anthracnose, Watermelon, Cucumber, Muskmelon
Ants
Aphids
Apple, Russeting
Apple, Powdery Mildew
Apple Scab
Apple, Sooty Blotch and Fly Speck
Apricot, Gummosis
Apricot, Scab
Apricot, Brown Rot
Arborvitae Fall Needle Drop
Arborvitae, Seiridium Canker
Armyworms and Cutworms
Ash, Anthracnose
Ash Borer
Ash, Emerald Ash Borer
Ash Flower Gall Mite
Ash, Mycosphaerella Leaf Spot
Ash Plant Bug
Ash, Rust
Ash Sawfly
Asparagus Beetle
Aster Yellows
Bacterial Wilt of Vine Crops
Bagworms
Bark Shedding
Bark Splitting
Bean Leaf Beetle
Bermudagrass, Spring Dead Spot
Billbug, Bluegrass and Zoysia
Black Knot
Black Rot on Grapes
Blackberry, Green June Beetle
Blackberry, Tan Drupelets
Bleeding Cankers on Shade Trees
Blossom-End Rot
Blister Beetles
Blueberry, Iron Chlorosis
Bluegrass Billbug
Borers in Trees
Botryosphaeria Canker of Juniper
Botryosphaeria Canker of Oak
Boxelder Bug
Bronze Birch Borer
Brown Patch of Turf
Brown Rot of Fruit
Budworms
Burning Bush Spider Mites
<<Return to Top
Cabbage Looper
Cabbage, Imported Cabbageworm
Cankerworm
Carpenter Bees
Cedar-Apple Rust
Cherry, Black Knot
Cherry, Brown Rot
Cherry, Gummosis
Cherry Leaf Spot
Chiggers
Chinch Bug
Cicada Killer
Codling Moth
Colorado Potato Beetle
Corn Earworm
Corn Smut
Cottonwood Borer
Crabgrass
Cucumber, Anthracnose
Cucumber, Bacterial Wilt
Cucumber Beetle
Cucumber, Bitterness
Cucumber Mosaic Virus
Cucumber, Powdery Mildew
Cutworms
<<Return to Top
Dandelion
Dodder
Dollar Spot on Turf
Diplodia Tip Blight of Pine
Dutch Elm Disease
<<Return to Top
Earthworms in the Lawn
Eastern Tent Caterpillar
Elm, Dutch Elm Disease
Elm Flea Weevil
Elm Leaf Beetle
Elm Pocket Gall
Elm, Woolly Elm Aphid
Emerald Ash Borer
Environmental Stress on Trees
Euonymus Scale
European Pine Sawfly
<<Return to Top
Fall Armyworm
Fall Webworm
Fireblight
Flatid Planthopper
Flea Beetle
Flooding and Plants
Freeze and Frost Damage in Spring
Frost Cracks on Trees
<<Return to Top
Galls of Trees
Galls, Vein Pocket Gall of Oak
Geranium Budworms
Grape, Black Rot
Grape, Downy Mildew
Grasshoppers
Gray Leaf Spot on Perennial Ryegrass
Green June Beetles
Grubs, White
Gummosis
<<Return to Top
Hackberry, Island Chlorosis
Hackberry Nipple Gall Maker
Harlequin Bug
Henbit and Chickweed
Herbicide Damage on Garden Plants
Herbicide Damage to Trees, Shrubs, Turf and Garden Plants
Hollyhock Rust
Hollyhock Weevil
Honeylocust, Plant Bug/Leafhopper Complex
Honeysuckle Aphid
Hypoxylon Canker
<<Return to Top
Impatiens Downy Mildew
Iris, Bacterial Soft Rot
Iris Borer
Iris Leaf Spot
Iris Weed Control
Iron Chlorosis on Herbaceous Plants
Iron Chlorosis of Trees
Island Chlorosis of Hackberry
<<Return to Top
Japanese Beetle
Juniper, Brown Coloration
Juniper, Cercospora Needle Blight
Juniper, Kabatina Tip Blight
Juniper, Phomopsis Tip Blight
Juniper, Root Diseases
Juniper Webworm
<<Return to Top
Kentucky Bluegrass, Dollar Spot
Kentucky Bluegrass, Leaf Spot
Kentucky Bluegrass, Powdery Mildew
Kentucky Bluegrass, Rust
Kentucky Bluegrass, Sod Webworm
Kentucky Bluegrass, Stripe Smut
Kentucky Bluegrass, Summer Patch
Kermes Oak Scale
<<Return to Top
Lace Bug
Lady Beetle, Asian
Leaf Drop in Spring
Leaf Scorch
Leaves That Don't Drop in the Fall
Lecanium Scales
Lilac Borer
Lilac, Powdery Mildew
Lilac, Pseudomonas Blight
<<Return to Top
Maple, Anthracnose
Maple Bladdergall Mite
Mapleworm
Mimosa Webworm
Minute Pirate Bug
Mite, Two-Spotted
Mite, Winter Grain
Mite, Zoysiagrass and Bermudagrass
Moles
Mosquitos
Moss & Algae
Mushrooms in a Lawn
Muskmelon, Bacterial Wilt
Muskmelon, Powdery Mildew
<<Return to Top
Nantucket Pine Tip Moth
Natural Needle Drop
Nectarine, Brown Rot
Nectarine, Scab
Nematodes
Nightcrawlers in the Lawn
<<Return to Top
Oak, Anthracnose
Oak, Botryosphaeria Canker
Oak, Galls
Oak Gall Midge
Oak, Hypoxylon Canker
Oak, Kermes Scale
Oak, Lecanium Scale
Oak Lace Bug
Oak, Obscure Scale
Oak, Scarlet Oak Sawfly
Oak Slug
Oak, Twig Dieback
Oak, Tubakia Leaf Spot
Oak, Vein Pocket Gall
Oak Wilt
Obscure Scale
Orchard Grass
<<Return to Top
Peach, Bacterial Spot
Peach, Brown Rot
Peach, Green June Beetle
Peach, Gummosis
Peach Leaf Curl
Peach, Peachtree Borer
Peach, Perennial Canker
Peach Scab
Peony Measles
Pear, Pseudomonas Blight
Pear, Sooty Blotch and Fly Speck
Perennial Ryegrass, Gray Leaf Spot
Petunia Budworms
Pillbugs
Pine, Brown Spot
Pine, Dothistroma Needle Blight
Pine, European Pine Sawfly
Pine, Natural Needle Drop
Pine Needle Scale
Pine, Tip Blight
Pine Tip Moth
Pine Wilt
Plant Bug/Leafhopper on Honeylocust
Plum, Black Knot
Plum, Brown Rot
Plum Curculio
Plum Pocket
Plum, Scab
Poison Ivy
Pollination Problems
Potato, Colorado Potato Beetle
Potato, Corky Bumps on Potato Tuber
Potato, Green Tubers
Potato, Growth Cracks
Potato, Internal Darkening
Potato, Secondary Growth
Powdery Mildew of Turf
<<Return to Top
Not Available
Raspberry, Tan Drupelets
Rhubarb Crown Rot
Rhubarb Seedstalks
Roly-Poly
Rose, Blackspot
Rose Mosaic Virus
Rose Rosette
Rose Slug
Russian Olive, Phomopsis Canker
Rust on Turfgrass
<<Return to Top
San Jose Scale
Scorch of Trees and Shrubs
Slime Flux on Trees
Slime Mold
Slugs
Sod Webworm
Sooty Blotch and Fly Speck of Apple
Sowbugs
Sphaeropsis Tip Blight of Pine
Spider Mites
Spittlebugs
Spotted Wing Drosophila
Spring Dead Spot of Bermudagrass
Spruce, Needle Drop and Twig Dieback
Spruce, Rhizosphaeria Needlecast
Spruce Spider Mite
Squash Bug
Squash, Powdery Mildew
Squash Vine Borer
Squirrel Damage
Stalk Borer
Stripe Smut of Turf
Summer Patch of Turf
Sunscald on Trees
Sweet Corn, Earworm
Sweet Corn, Poorly Filled Ears
Sycamore Anthracnose
Sycamore Lace Bug
<<Return to Top
Tall Fescue, Brown Patch
Tent Caterpillar
Termites
Thatch Control
Tomato, Anthracnose
Tomato, Bacterial Canker
Tomato, Bacterial Speck or Spot
Tomato, Blossom-End Rot
Tomato, Cracking
Tomato, Cucumber Mosaic Virus
Tomato, Early Blight
Tomato and Pepper, Fruit Not Setting On
Tomato, Fruit Slow to Ripen
Tomato Fruitworm
Tomato, Fusarium and Verticillium Wilt
Tomato, Hard Core in Fruit
Tomato Hornworm
Tomato, Leaf Roll
Tomato, Septoria Leaf Spot
Tomato, Spider Mites
Tomato Spotted Wilt Virus
Tomato, Stink Bug Damage
Tomato, Sunscalded Fruit
Tomato, Tobacco Mosaic Virus
Tomato, Walnut Wilt
Tomato, Warty Stems
Trees, Environmental Stress
Trees, Lack of Fall Color
Trees, Verticillium Wilt
Tubakia Leaf Spot of Oak
Twig Girdler
Two-Spotted Spider Mite
<<Return to Top
Not Available
Vein Pocket Gall of Oak
Verticillium Wilt of Trees
Vine Crops Flowering But Not Setting Fruit
<<Return to Top
Walnut Caterpillar
Walnut Wilt
Warty Stems on Tomatoes
Waterlogged Soils
Watermelon Anthracnose
Watermelon, Powdery Mildew
Wetwood
Whiteflies
White Grubs
Wild Onion and Wild Garlic
Wild Violet
Winter Grain Mite
<<Return to Top
Not Available
Yellow-Bellied Sapsucker
Yellownecked Caterpillar
Yew, Wet Feet
<<Return to Top
Zoysiagrass Billbug
Zoysiagrass and Bermudagrass Mites
Zoysiagrass, Large Patch
<<Return to Top
Plant & pest problems are listed in alphabetical order.
These documents are in PDF format and will open in a new window.
17-Year Periodical Cicadas
Algae and Moss
Anthracnose, Sycamore and other Shade Trees
Anthracnose of Turf
Anthracnose, Watermelon, Cucumber, Muskmelon
Ants
Aphids
Apple, Russeting
Apple, Powdery Mildew
Apple Scab
Apple, Sooty Blotch and Fly Speck
Apricot, Gummosis
Apricot, Scab
Apricot, Brown Rot
Arborvitae Fall Needle Drop
Arborvitae, Seiridium Canker
Armyworms and Cutworms
Ash, Anthracnose
Ash Borer
Ash, Emerald Ash Borer
Ash Flower Gall Mite
Ash, Mycosphaerella Leaf Spot
Ash Plant Bug
Ash, Rust
Ash Sawfly
Asparagus Beetle
Aster Yellows
Bacterial Wilt of Vine Crops
Bagworms
Bark Shedding
Bark Splitting
Bean Leaf Beetle
Bermudagrass, Spring Dead Spot
Billbug, Bluegrass and Zoysia
Black Knot
Black Rot on Grapes
Blackberry, Green June Beetle
Blackberry, Tan Drupelets
Bleeding Cankers on Shade Trees
Blossom-End Rot
Blister Beetles
Blueberry, Iron Chlorosis
Bluegrass Billbug
Borers in Trees
Botryosphaeria Canker of Juniper
Botryosphaeria Canker of Oak
Boxelder Bug
Bronze Birch Borer
Brown Patch of Turf
Brown Rot of Fruit
Budworms
Burning Bush Spider Mites
<<Return to Top
Cabbage Looper
Cabbage, Imported Cabbageworm
Cankerworm
Carpenter Bees
Cedar-Apple Rust
Cherry, Black Knot
Cherry, Brown Rot
Cherry, Gummosis
Cherry Leaf Spot
Chiggers
Chinch Bug
Cicada Killer
Codling Moth
Colorado Potato Beetle
Corn Earworm
Corn Smut
Cottonwood Borer
Crabgrass
Cucumber, Anthracnose
Cucumber, Bacterial Wilt
Cucumber Beetle
Cucumber, Bitterness
Cucumber Mosaic Virus
Cucumber, Powdery Mildew
Cutworms
<<Return to Top
Dandelion
Dodder
Dollar Spot on Turf
Diplodia Tip Blight of Pine
Dutch Elm Disease
<<Return to Top
Earthworms in the Lawn
Eastern Tent Caterpillar
Elm, Dutch Elm Disease
Elm Flea Weevil
Elm Leaf Beetle
Elm Pocket Gall
Elm, Woolly Elm Aphid
Emerald Ash Borer
Environmental Stress on Trees
Euonymus Scale
European Pine Sawfly
<<Return to Top
Fall Armyworm
Fall Webworm
Fireblight
Flatid Planthopper
Flea Beetle
Flooding and Plants
Freeze and Frost Damage in Spring
Frost Cracks on Trees
<<Return to Top
Galls of Trees
Galls, Vein Pocket Gall of Oak
Geranium Budworms
Grape, Black Rot
Grape, Downy Mildew
Grasshoppers
Gray Leaf Spot on Perennial Ryegrass
Green June Beetles
Grubs, White
Gummosis
<<Return to Top
Hackberry, Island Chlorosis
Hackberry Nipple Gall Maker
Harlequin Bug
Henbit and Chickweed
Herbicide Damage on Garden Plants
Herbicide Damage to Trees, Shrubs, Turf and Garden Plants
Hollyhock Rust
Hollyhock Weevil
Honeylocust, Plant Bug/Leafhopper Complex
Honeysuckle Aphid
Hypoxylon Canker
<<Return to Top
Impatiens Downy Mildew
Iris, Bacterial Soft Rot
Iris Borer
Iris Leaf Spot
Iris Weed Control
Iron Chlorosis on Herbaceous Plants
Iron Chlorosis of Trees
Island Chlorosis of Hackberry
<<Return to Top
Japanese Beetle
Juniper, Brown Coloration
Juniper, Cercospora Needle Blight
Juniper, Kabatina Tip Blight
Juniper, Phomopsis Tip Blight
Juniper, Root Diseases
Juniper Webworm
<<Return to Top
Kentucky Bluegrass, Dollar Spot
Kentucky Bluegrass, Leaf Spot
Kentucky Bluegrass, Powdery Mildew
Kentucky Bluegrass, Rust
Kentucky Bluegrass, Sod Webworm
Kentucky Bluegrass, Stripe Smut
Kentucky Bluegrass, Summer Patch
Kermes Oak Scale
<<Return to Top
Lace Bug
Lady Beetle, Asian
Leaf Drop in Spring
Leaf Scorch
Leaves That Don't Drop in the Fall
Lecanium Scales
Lilac Borer
Lilac, Powdery Mildew
Lilac, Pseudomonas Blight
<<Return to Top
Maple, Anthracnose
Maple Bladdergall Mite
Mapleworm
Mimosa Webworm
Minute Pirate Bug
Mite, Two-Spotted
Mite, Winter Grain
Mite, Zoysiagrass and Bermudagrass
Moles
Mosquitos
Moss & Algae
Mushrooms in a Lawn
Muskmelon, Bacterial Wilt
Muskmelon, Powdery Mildew
<<Return to Top
Nantucket Pine Tip Moth
Natural Needle Drop
Nectarine, Brown Rot
Nectarine, Scab
Nematodes
Nightcrawlers in the Lawn
<<Return to Top
Oak, Anthracnose
Oak, Botryosphaeria Canker
Oak, Galls
Oak Gall Midge
Oak, Hypoxylon Canker
Oak, Kermes Scale
Oak, Lecanium Scale
Oak Lace Bug
Oak, Obscure Scale
Oak, Scarlet Oak Sawfly
Oak Slug
Oak, Twig Dieback
Oak, Tubakia Leaf Spot
Oak, Vein Pocket Gall
Oak Wilt
Obscure Scale
Orchard Grass
<<Return to Top
Peach, Bacterial Spot
Peach, Brown Rot
Peach, Green June Beetle
Peach, Gummosis
Peach Leaf Curl
Peach, Peachtree Borer
Peach, Perennial Canker
Peach Scab
Peony Measles
Pear, Pseudomonas Blight
Pear, Sooty Blotch and Fly Speck
Perennial Ryegrass, Gray Leaf Spot
Petunia Budworms
Pillbugs
Pine, Brown Spot
Pine, Dothistroma Needle Blight
Pine, European Pine Sawfly
Pine, Natural Needle Drop
Pine Needle Scale
Pine, Tip Blight
Pine Tip Moth
Pine Wilt
Plant Bug/Leafhopper on Honeylocust
Plum, Black Knot
Plum, Brown Rot
Plum Curculio
Plum Pocket
Plum, Scab
Poison Ivy
Pollination Problems
Potato, Colorado Potato Beetle
Potato, Corky Bumps on Potato Tuber
Potato, Green Tubers
Potato, Growth Cracks
Potato, Internal Darkening
Potato, Secondary Growth
Powdery Mildew of Turf
<<Return to Top
Not Available
Raspberry, Tan Drupelets
Rhubarb Crown Rot
Rhubarb Seedstalks
Roly-Poly
Rose, Blackspot
Rose Mosaic Virus
Rose Rosette
Rose Slug
Russian Olive, Phomopsis Canker
Rust on Turfgrass
<<Return to Top
San Jose Scale
Scorch of Trees and Shrubs
Slime Flux on Trees
Slime Mold
Slugs
Sod Webworm
Sooty Blotch and Fly Speck of Apple
Sowbugs
Sphaeropsis Tip Blight of Pine
Spider Mites
Spittlebugs
Spotted Wing Drosophila
Spring Dead Spot of Bermudagrass
Spruce, Needle Drop and Twig Dieback
Spruce, Rhizosphaeria Needlecast
Spruce Spider Mite
Squash Bug
Squash, Powdery Mildew
Squash Vine Borer
Squirrel Damage
Stalk Borer
Stripe Smut of Turf
Summer Patch of Turf
Sunscald on Trees
Sweet Corn, Earworm
Sweet Corn, Poorly Filled Ears
Sycamore Anthracnose
Sycamore Lace Bug
<<Return to Top
Tall Fescue, Brown Patch
Tent Caterpillar
Termites
Thatch Control
Tomato, Anthracnose
Tomato, Bacterial Canker
Tomato, Bacterial Speck or Spot
Tomato, Blossom-End Rot
Tomato, Cracking
Tomato, Cucumber Mosaic Virus
Tomato, Early Blight
Tomato and Pepper, Fruit Not Setting On
Tomato, Fruit Slow to Ripen
Tomato Fruitworm
Tomato, Fusarium and Verticillium Wilt
Tomato, Hard Core in Fruit
Tomato Hornworm
Tomato, Leaf Roll
Tomato, Septoria Leaf Spot
Tomato, Spider Mites
Tomato Spotted Wilt Virus
Tomato, Stink Bug Damage
Tomato, Sunscalded Fruit
Tomato, Tobacco Mosaic Virus
Tomato, Walnut Wilt
Tomato, Warty Stems
Trees, Environmental Stress
Trees, Lack of Fall Color
Trees, Verticillium Wilt
Tubakia Leaf Spot of Oak
Twig Girdler
Two-Spotted Spider Mite
<<Return to Top
Not Available
Vein Pocket Gall of Oak
Verticillium Wilt of Trees
Vine Crops Flowering But Not Setting Fruit
<<Return to Top
Walnut Caterpillar
Walnut Wilt
Warty Stems on Tomatoes
Waterlogged Soils
Watermelon Anthracnose
Watermelon, Powdery Mildew
Wetwood
Whiteflies
White Grubs
Wild Onion and Wild Garlic
Wild Violet
Winter Grain Mite
<<Return to Top
Not Available
Yellow-Bellied Sapsucker
Yellownecked Caterpillar
Yew, Wet Feet
<<Return to Top
Zoysiagrass Billbug
Zoysiagrass and Bermudagrass Mites
Zoysiagrass, Large Patch
<<Return to Top
