Pest Profiles: Profiles by Pest | Profiles by Crop | Lady Beetles & Beneficial Insects
Sweet Corn
- Sweet Corn Varieties & Production Practices (U of MN)
- Sweet Corn for Processing: Value and Risk of IPM for European corn borer (U of MN)
- Corn Pollination (OSU)
- Corn Growth Stages - Vegetative (ISU)
- How a Corn Plant Grows (ISU)
- Maize Insect Pests in North America (Radcliffe's IPM World Textbook)
- Degree Days for Common Fruit & Vegetable Insect Pests (U of WI)
- Scouting Vegetables for Pests (U of WI)
Insects
Early-season Insects
- Seed Corn Maggot (U of MN)
- Pests of Germinating Corn and Soybean (ISU)
- White Grubs (NDSU)
- Wireworms (U of MN)
- Wireworms (NDSU)
- Wireworms (U of WI)
- Corn Flea Beetle (U of MN)
- Corn Flea Beetle and Stewart's Wilt (ISU)
- Corn Flea Beetle and Stewart's Wilt (U of IL)
- Early-season corn pests (OSU) (Field Corn)
- Early-season moth identification (ISU)
- Corn Rootworm (ISU) (Field Corn)
- Corn Rootworm (OSU) (Field Corn)
- Black and Dingy Cutworm (ISU)
- Billbugs - Injury to Seedling Corn (ISU)
- Early-season corn caterpillars (ISU) (Excellent Overview of Several Species)
Mid-Late Season Insects
- Caterpillar Identification in Corn (ISU)
- Caterpillar Identification in Corn (KSU)
- Common Stalk Borer (U of MN)
- Common Stalk Borer, Degree-day Forecast (U of WI, U of MN)
- Grasshoppers (NDSU)
- Grasshopper Management - 2002 (U of MN)
- Grasshopper Management (U of NE)
- Armyworms (OSU) (Field Corn)
- Armyworms in Corn (U of KY)
- Fall Armyworms in Corn (U of KY)
- Army Cutworm and Armyworm (NDSU)
- Corn Leaf Aphid (U of KY)
- Corn Leaf Aphid (UC-Davis)
- Vegetable Aphids (U of WI)
- Multicolored Asian Lady Beetle (U of MN)
European Corn Borer
- European Corn Borer Home Page (ISU)
- How Corn is Damaged by European Corn Borer (ISU) (Field Corn)
- European Corn Borer, Degree-day Forecast (U of WI, U of MN)
- Pyrethroid Efficacy against ECB, Sweet Corn (U of MN)
Corn Earworm
- Corn Earworm (U of MN)
- Corn Earworm (U of WI)
- Managing Corn Earworms and European Corn Borers in Fresh Market Sweet Corn (U of WI)
- Corn Earworm (PDF, Purdue)
- Corn Earworm (UC-Davis)
- Corn Earworm & Moths (UC-Davis)
- Corn Earworm - First-instar larva (UC-Davis)
- Corn Earworm - Color Variation in Larvae (UC-Davis)
- Recognizing European Corn Borer Injury, Corn Earworm and others (ISU)
- Pictoral Key for ID of Late-Instar Caterpillars on Corn (ISU)
Western Bean Cutworm
- Western Bean Cutworm (U of IL)
- Western Bean Cutworm (U of NE)
- Western Bean Cutworm (CO State: includes directions for setting up pheromone traps)
- Western Bean Cutworm (UW-Extension)
Diseases
- Sweet Corn Disease Research (U ofIllinois)
- Corn Smut (OSU)
- Corn Smut and Rust (U of WI)
- Gray Leaf Spot (ISU) (Field Corn)
- Common Rust (ISU) (Seed Corn)
- Stewarts Wilt (PDF, ISU)
- Stewart's Wilt (U of IL)
- Eyespot (ISU)
- Plant Disease Clinic (U of MN)
- Plant Disease Diagnostic Tool (U of MN)
