Pests and Problems by Pest

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9 a.m.–5 p.m. Last entry at 4:30 p.m. Closed Mondays.
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- Next Event or Class
  
  Missouri Arbor Day Tree Giveaway
  
  Friday, April 7
  9:00 AM - 3:00 PM
- Upcoming Events & Classes
  - Spring/Summer Class Registration
    Wednesday, February 1 - Thursday, August 31 12:00 AM - 12:00 AM
  - Well-Being Week
    Monday, March 27 - Friday, March 31 9:00 AM - 5:00 PM
  - Seasonal Operations Resume
    Saturday, April 1 9:00 AM - 5:00 PM
- View Full Calendar

Animals

Beavers Nuisance Birds Cats Chipmunks or Ground Squirrels Deer Dogs	Moles Rabbits Raccoons Snakes Squirrels Voles and Mice

Diseases

General information on Diseases

Anthracnose Anthracnose of Lawns Anthracnose of Trees Sycamore Anthracnose Bacterial galls Crown galls Bacterial spots, blights & rots Fireblight Bacterial Leaf Scorch Bacterial Wilt of Cucumber Black mildew & sooty mold Cankers, diebacks & wilts Bacterial Wetwood Chestnut Blight Clematis Wilt Cytospora Canker Damping off Dutch Elm Disease Nectria Canker & Dieback Oak Wilt Thousand Cankers Disease Fusarium Wilt of Tomato Fusarium Wilts & Rots Gummosis of Fruit Trees Hypoxylon Dieback of Oaks Verticillium Wilt Vinca Stem Canker Clubroot Clubroot of Crucifers Downy mildew Downy Mildew of Grapes Fairy rings Lawn Mushrooms & Fairy Rings Fruit spots and rot Anthracnose of Grapes Black Rot of Grapes Brown Rot of Stone Fruits Gray Mold of Strawberry Fungal spots, blights & blotches Alternaria Blight of Zinnia Black Knot Black Spot of Rose Botrytis Blight Botrytis Blight of Peony Boxwood Blight Brown Patch of Cool-season Lawns Cane Blight of Raspberry Dollar Spot Early Blight of Tomato Fungal Diseases of Lawns Guignardia Blotch of Horse Chestnut Large Brown Patch of Zoysia Lawns Late Blight of Tomato Leaf Spot Diseases of Shade Trees & Ornamentals Leaf Spots of Dogwood Leaf Spots of English Ivy Leaf Spots of Rudbeckia Necrotic Ringspot and Summer Patch Oak Leaf Blister Peach Leaf Curl Peony Blotch Septoria Leaf Spot of Tomato Volutella Blight of Pachysandra	Needlecasts & evergreen tip blights Rhizosphaera needlecast Sphaeropsis tip blight of pines Brown Spot Needle Blight of Pines Dothistroma Blight of Pines Kabatina Blight Pestalotiopsis Tip Blight on Arborvitae Phomopsis Blight of Juniper Nematodes Foliar Nematodes Hosta Leaf Nematodes Pinewood Nematode Root-Knot Nematode Powdery mildew Powdery mildew - Indoors Powdery mildew - Outdoors Root, stem, crown & collar rot Armillaria Root Rot Crown Rot of Perennials (Southern Blight) Ganoderma Root Rots Phytophthora Root Rot of Conifers Phytophthora Root Rot of Trees & Shrubs Procera Root Rot of White Pine Pythium Blight of Turf Rusts Cedar-apple rust Cedar-Hawthorn Rust Cedar-Quince Rust Rust of Hollyhock Rust of Turfgrasses Pine Needle Rusts Scabs Apple Scab Slime molds Smuts Viruses & phytoplasmas Ash Yellows & Decline Aster Yellows Hosta Virus X Rose Rosette Tobacco Mosaic Virus Viruses of Tomato and Pepper White rusts Witches' broom

Environmental Problems

General information on Environmental Problems

Air Pollution Blossom End Rot Blossom End Rot of Cucurbits Blossom End Rot of Tomato & Pepper Bud-blast of Peony Drought & Water Stress Environmental (Abiotic) Problems of Tomatoes Girdling Roots Gradual Decline Hail Damage Herbicide Damage to Plants Improper & Damaging Gardening Practices Iron Chlorosis Lightning Injury Mechanical Damage Nutrient Deficiencies Oedema Overwatering Ozone Damage to Plants	Pollination Problems Pollination Problems of Cucurbits Pollination Problems of Tomato & Pepper Salt Injury Scorch, Sunburn & Heat Stress Sudden Decline Sulfur Dioxide Damage to Plants Sunscald Sunscald of Tomato and Peppers Sunscald of Woody Plants White Pine Decline Winter Injury Desiccation or Winter Burn Frost Cracks Frost Heaving Frost Injury & Ice Damage

Insects

General information in Insects

Adelgids Ants Ants - indoors Carpenter ants Aphids Aphids - indoors Aphids - outdoors Bees Carpenter bees Leaf-cutter bees Beetles Bark beetles Beetles - Borers and miners Beetles - Grubs Beetles - Surface feeders Beetles - Weevils Bean leaf beetle Black vine weevil Bronze birch borer Cane borers in brambles Cucumber beetles Elm leaf beetle Emerald ash borer Flea beetle Granulate ambrosia beetle Grubs in lawn Japanese beetle Lily leaf beetle Plum curculio Root-feeding weevil larvae Rootworms Wireworms (Borers) Bronze birch borer Cane borers in brambles Emerald ash borer Dogwood borer Iris borer Lilac borer and ash borer Peachtree borer Squash vine borer Caddisflies Caterpillars Bagworms Caterpillars - Borers and miners Caterpillars - Leaf tiers, bagworms & web formers Caterpillars - Surface feeders Cabbage looper Cankerworms Codling moth Cutworms Dogwood borer Eastern tent caterpillar Fall webworm Forest tent caterpillar (FTC) Hornworms Imported cabbageworm Iris borer Lilac borer and ash borer Peachtree borer Pine shoot moths Sod webworm Spongy moth (formerly gypsy moth) Squash vine borer Tomato fruitworm / corn earworm Centipedes and millipedes Cicadas Crickets Earwigs Earthworms	Flies Apple maggot Flies - Fruit maggots and fruit flies Flies - Leaf and stem miners Flies - Midges and gnats Boxwood leafminer Fungus gnats Holly leaf miner Flies - root maggots Spotted wing drosophila Grasshoppers Hoppers and leafhoppers Leafhoppers and planthoppers Katydids Lace bugs Mealybugs Insect pests of cacti and succulents Mealybugs - indoors Mealybugs - outdoors Mites Spider mites - indoors Spider mites - outdoors Cyclamen and broad mites Cyclamen mites on strawberry Eriophyid mites Itch mites Spruce spider mite Phylloxeras Plant bugs Boxelder, red-shouldered & scentless plant bugs Brown marmorated stink bug Chinch bugs Milkweed bugs Phlox bugs Squash bugs Stink bugs Tarnished & four-lined plant bugs Psyllids Boxwood psyllid Sawflies Borers and miners - sawflies Sawflies - Surface feeders Pine sawflies Pine sawflies - species Rose and pear slugs (sawflies) Scale Euonymus scale Magnolia and tuliptree scale Pine needle scale Scale - indoors Scale - outdoors Slugs and snails Sowbugs and pillbugs Spittlebugs Termites Thrips Thrips - indoors Thrips - outdoors Wasps Borers and miners - wasps Yellow jackets Whiteflies Whitefly - indoors Whitefly - outdoors

Weeds

General information on Weeds

Algal Leaf Spot Controlling Bamboo Crabgrass Control Dodder Invasive Plants - Illinois vegetation management manual Invasive Plants - Missouri vegetation management manual Mistletoe Moss in Lawns Nimblewill Perennial Broadleaf Weeds in Lawns Perennial Grassy Weeds in Lawns & Gardens	Poison Ivy Small Pond Weeds Summer Annual Weeds (and Biennials) Violets in Lawns Wild Garlic & Wild Onion Winter Annual Weeds Woody Perennial Weeds Yellow Nutsedge

Algal Leaf Spot
Controlling Bamboo
Crabgrass Control
Dodder
Invasive Plants - Illinois vegetation management manual
Invasive Plants - Missouri vegetation management manual
Mistletoe
Moss in Lawns
Nimblewill
Perennial Broadleaf Weeds in Lawns
Perennial Grassy Weeds in Lawns & Gardens

Missouri Arbor Day Tree Giveaway

Friday, April 7

Spring/Summer Class Registration

Well-Being Week

Seasonal Operations Resume

Pests and Problems by Pest

Animals

Diseases

Environmental Problems

Insects

Weeds

Other