Corn Scouting Calendar

The corn scouting calendar provides tips for identifying corn pests and insects as well as management considerations when scouting fields. Use this calendar as a corn scouting guide. Additional information for most pests is available by clicking on the pest name.

Corn Scouting Calendar*
Insects and Diseases VE V1+ V3+ V6+ V9+ VT R1 R2 R3 R4 R5 R6
Seedcorn Maggot                            
Seedcorn Beetle                            
Wireworm                              
Black Cutworm                        
White Grub                         
Corn Flea Beetle                        
Armyworm                        
Hop Vine Borer                          
Stewart's Leaf Blight               
Billbug                            
Grape Colaspis                           
Brown Stinkbug                           
Common Stalk Borer                      
Corn Rootworm Larvae                
Goss's Wilt       
European Corn Borer           
Common Rust                     
Fall Armyworm                      
Gray Leaf Spot                  
Northern Leaf Blight                   
Southwestern Corn Borer            
Corn Leaf Aphids                        
Corn Rootworm Adults                             
Japanese Beetle                      
Fusarium Stalk Rot                       
Gibberella Stalk Rot                       
Western Bean Cutworm                          
Corn Earworm                          
Anthracnose Stalk Rot                         
Diplodia Ear Rot                         
Fusarium Ear Rot                          
Gibberella Ear Rot                          
Insects and Diseases VE V1+ V3+ V6+ V9+ VT R1 R2 R3 R4 R5 R6


* Use this information as a guide. It should not be the only factor in making decisions.


 
 
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