Stage IV. Tasseling to Corn Maturity (VT to R6) |
Leaf Tissue Removed - Chunks of Plant Tissue Removed From Leaf Margins or Ragged Holes in Leaves
![]() Armyworm |
![]() Fall Armyworm |
![]() Grasshopper |
Leaf Tissue Removed - Small circular holes or elongated lesions in leaves
![]() European Corn Borer | ![]() Southwestern Corn Borer |
Removal of Plant Tissue - Green Tissue Between Upper and Lower Leaf Surfaces Removed
![]() Corn Blotch Leafminer |
Leaves Drying From the Bottom Up - Fine Webbing Evident
![]() Two-Spotted Spider Mite |
![]() Banks Grass Mite |
Stalks Malformed or Broken - Lodging or Growing in a Gooseneck Shape
![]() Corn Rootworm Larvae |
Stalks Malformed or Broken - Stalks Broken
![]() European Corn Borer | ![]() Southwestern Corn Borer |
Tassels Damaged - Tassels Broken
![]() European Corn Borer | ![]() Southwestern Corn Borer |
Tassels Damaged - Tassels Eaten (in Whorl)
![]() Fall Armyworm |
![]() Western Bean Cutworm |
Tassels Damaged - Tassels Discolored
![]() Corn Leaf Aphid |
Silks Clipped
![]() Grasshopper |
![]() Corn Earworm |
![]() Northern Corn Rootworm Beetle |
![]() Western Corn Rootworm Beetle |
![]() Western Bean Cutworm |
![]() Variegated Cutworm |
Ear Damage - Large Chunks of Kernels Removed
![]() Grasshopper |
Ear Damage - Tunneling or Chewing Damage
![]() Fall Armyworm |
![]() European Corn Borer | ![]() Southwestern Corn Borer |
![]() Corn Earworm |
![]() Western Bean Cutworm |
![]() Variegated Cutworm |
Ear Damage - Ear Drop
![]() European Corn Borer | ![]() Southwestern Corn Borer |

















