Insect Management

The UNL Department of Entomology provides current, science-based information to meet the needs of clientele throughout the state and region. Our programs are directed at solving pressing insect pest problems and provide improved management recommendations, new insect pest management tools, and education for insect pest related issues.

chinch bugs
View Insect Light Trap Reports for 2017
  • South Central Ag Lab, Clay Center
  • Northeast Research and Extension Center, Concord
  • West Central Research and Extension Center, North Platte
Nebraska Guide to Insecticides for Field Crops

Excerpted from the most recent Nebraska Extension Guide for Weed, Disease and Insect Management, these insecticide tables cover alfalfa, corn, soybean, and wheat treatments. They are reviewed and updated annually. The full 300+ page guide is available at Nebraska Extension Publications.

Handy Bt Trait Table for US Corn Production

Most corn hybrids planted in the U.S. contain one or more transgenic traits for weed or insect management. The Handy Bt Trait Table, last updated in January 2018, lists trait names and details of trait package. materials, and bag tags.

Related Articles

Cover crop field with mixed-species plantings
Later season field of cover crops in southeastern Nebraska. (Photo by Paul Jasa)

Timing of Cover Crop Termination and Related Factors April 20, 2018

Should the cold spring delay cover crop termination? Growers walk a fine line between growing cover crops long enough to get the biomass they want without reducing yield in the following grain crop. This discussion from an agronomist, entomologist and weed scientist looks at various factors to consider.

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Western bean cutworm larvae on an ear of corn

Efficacy of Foliar Insecticide Treatments for Western Bean Cutworm in Corn April 11, 2018

Researchers report on three years of field research in west central Nebraska where 4-14 insecticide treatments were tested under irrigated conditions.

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Insects in Cover Crop Systems April 6, 2018

If you missed the March 14 Nebraska Extension webinar on "Insects in Cover Crop Systems" with Justin McMechan, it's now available online.

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Figure 1. Rye cover crop planted in small sections of field for erosion control. Center photo shows a section of ground where cover crop did not establish with normally developing plants. Damaged corn plants were primarily restricted to areas where cover crop was present.
Figure 1. Rye cover crop planted in small sections of field for erosion control. Center photo shows a section of ground where cover crop did not establish with normally developing plants. Damaged corn plants were primarily restricted to areas where cover crop was present.

Wheat Stem Maggot in Corn: Plan on Scouting Your Cover Crop Fields This Spring March 8, 2018

Wheat stem maggots were an issue for some eastern and southern Nebraska farmers planting corn directly into a growing cover crop, leading to questions about how to best manage this scenario in 2018. Learn why entomologists don't recommend adding an insecticide to the herbicide when terminating the cover crop.

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A March 14 noon-hour webinar will explore the issue of wheat stem maggot damaging corn planted directly into rye or wheat cover crops.
A March 14 webinar will explore the problem of wheat stem maggot damaging corn planted directly into rye or wheat cover crops.

March 14 Webinar on Wheat Stem Maggot in Cover Crops March 2, 2018

A noon-hour webinar on March 14 will explore the issue of wheat stem maggot damage in corn planted directly into wheat or rye cover crops in 2017. Learn more about what happened and how to plan for 2018.

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