Southern Corn Leaf Beetle

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Southern Corn Leaf Beetle

Soil Cutworms

Corn Cutworms, NebGuide 1153
Cutworms -- identification of specific cutworms, conditions favoring infestations, potential damage and control.(*pdf version, 1.06 MB; 4 pages)

Insecticide Recommendations for Soil Cutworm Control in Corn

Black Cutworm identification

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Corn Flea Beetles

Corn flea beetles vector NebFacts: Stewart's Wilt of Corn

Insecticide Recommendations for Corn Flea Beetles

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Spider Mites

Spider Mite Management in Corn and Soybeans, NebGuide 1167
(*pdf version, 367 KB, 4 pages)

Insecticide Recommendations for Spider Mite Control in Corn

Nebraska Pest Management Guide from UNL Entomology

Spider Mite Resistance Management in Corn from UNL Entomology

 Spotted Spider Mites

 *Note: Click on insect images for a larger view.

Stalk Borer in Corn

Insecticides for Stalk Borer Control in Field Corn

Common Stalk Borer in Corn, NebGuide 521 (*pdf version, 1.24 MB; 4 pages) The life history and appearance of common stalk borers is described, along with information on damage they can cause, economic injury levels and ways to control them in corn.

 *Note: Click on insect images for a larger view.

Western Bean Cutworm

Western Bean Cutworm in Corn and Dry Beans, NebGuide 1359
(*pdf version, 1.50 MB, 4 pages)

Biology, Scouting and Control of the Western Bean Cutworm

Insecticide Recommendations for Control of Western Bean Cutworm in Field Corn

July 2009 CropWatch Article: Scouting and Treating Western Bean Cutworms

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Army Worm

Insecticide Recommendations for Armyworm in Field Corn

Army Worm identification

Additional Images from UNL Entomology

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Fall Armyworm

Insecticide Recommendations for Fall Armyworm

Fall Armyworm identification

Insects That Feed on Corn Ears, NebGuide 1300
This NebGuide discusses how to identify mature and immature insects that infest and damage ears of corn. (*pdf version, 376 KB; 4 pages)

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Chinch Bugs in Corn

Insecticide Recommendations for Chinch Bugs in Corn

Chinch Bug Management, Nebguide G806 (*pdf version, 276 KB; 4 pages)

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White Grubs

Insecticides Registered for Control of White Grubs in Field Corn

Grub damage

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Wireworms and Seedcorn Maggots

Insecticide Recommendations for Wireworms and Seedcorn Maggots

• More wireworm images from Entomology at UNL 
• More seedcorn Mmaggot images from Entomology
  

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Corn Ear Worms

Insecticide Recommendations for Corn Ear Worms

Insects That Feed on Corn Ears, NebGuide 1300 (*pdf version, 376KB; 4 pages)
This NebGuide discusses how to identify mature and immature insects that infest and damage ears of corn. 

*Note: Click on insect images for a larger view.

Corn Leaf Aphids

Cereal Aphids, NebGuide (*pdf)
Identification and general discussion of the cereal aphid species most commonly found in Nebraska small grains, corn, sorghum and millet. 

Insecticide Recommendations for Corn Leaf Aphids

Description:
Small blue/green, usually wingless insects in the whorl and tassel.

Damage Symptoms:
Feeds by sucking juices from corn plant; does not inject salivary toxins.

Incidence:
Throughout the growing season.

Sampling Scheme:
Examine 5 sets of 20 plants during late whorl stage and tassel emergence.

*Note: Click on insect images for a larger view.

Corn Rootworm: Adults & Larvae

Insects That Feed on Corn Ears, NebGuide 1300 (*pdf version, 376KB; 4 pages)
This NebGuide discusses how to identify mature and immature insects that infest and damage ears of corn. 

Insecticide Recommendations for Corn Rootworms

From left to right: western, northern, and southern corn rootworm beetles

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Corn Root Worm Larvae

University of Nebraska Field Trial Results

Insecticide Recommendations for Corn Root Worm Larvae

Seed treatments, Planting-time treatments, Post-plant or rescue treatments.

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European Corn Borer

Nebraska Pest Management Guide

1st Generation European Corn Borer Treatment Decision Worksheet

2nd Generation European Corn Borer Treatment Decision Worksheet

Insecticide Recommendations for European Corn Borers