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Insect Damage

Gaps in the Stand

Seed Feeding

Possible Pests: Seedcorn Beetle, Seedcorn Maggot, Slugs, Wireworm

Plant Stunting/Wilting

Possible Pests: European Chafer (White Grubs), Potato Stem Borer, Wireworm, Millipedes, Black Cutworm

Cut Plants

Possible Pests: Wireworm, Black Cutworm

 

Leaf Tissue Feeding

Ragged Holes

Possible Pests: True Armyworm, Fall Armyworm, Black Cutworm, Slugs

Entire Leaf Eaten Away except Midrib

Possible Pest: True Armyworm

Pinholes, Round Holes

Possible Pest: European Corn Borer (ECB)

Feeding Tracks

Possible Pests: Corn Flea Beetle, Corn Rootworm Adult

 

Stalk Damage

Tunneling

Possible Pests: European Corn Borer (ECB), Potato Stem Borer

Goosenecking

Possible Pest: Corn Rootworm (Larva)

 

Ear Damage

Large Chunks/Kernels Missing

Possible Pests: Fall Armyworm, Corn Earworm, Western Bean Cutworm

Surface Feeding on Kernels

Possible Pest: European Corn Borer (ECB)

Silks Clipped

Possible Pests: Corn Earworm, Western Bean Cutworm, Corn Rootworm (Adult)

Ear Drop

Possible Pest: European Corn Borer (ECB)

 

Tassel Damage

Broken Tassels

Possible Pest: European Corn Borer (ECB)

Sticky/Discoloured Tassels

Possible Pest: Corn Leaf Aphid

Feeding on Tassels

Corn Earworm, Western Bean Cutworm, Fall Armyworm