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 March 2017, lists trait names and details of trait package. materials, and bag tags.

Related Articles

Mosquito on skin
Figure 1. Manage mosquitoes to protect your health.

Manage Standing Water to Reduce Mosquito Disease Threat June 23, 2017

Managing the potential for mosquito breeding and populations on your farm can help protect you and your family from a number of diseases, including West Nile Virus. An entomologist offers information on mosquitoes and recommendations for reducing your risk.

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Insects Causing Problems for Alfalfa June 22, 2017

If you’re seeing slow regrowth or weak alfalfa seedlings, it's time to get in the field and scout for the cause, most likely insects at this time of year. Nebraska growers have been reporting all kinds of insects causing problems.

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Corn damaged by wheat stem maggot

Suspected Wheat Stem Maggot Damage in Corn following Cover Crops June 13, 2017

Ag professionals across central and eastern Nebraska are reporting insect damage to corn following rye and wheat cover crops, likely from the wheat stem maggot. A recent field survey found stand losses in fields ranged from 2%-30% on a whole-field basis.

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Insect light trap

Light Trap Data Provided for 3 Sites June 12, 2017

UNL Extension Entomology is monitoring crop insect pests (primarily moths) using black light traps at the Haskell Ag Laboratory near Concord, the South Central Ag Laboratory near Clay Center, and the West Central Research and Extension Center near North Platte.

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alfalfa weevils

Scouting Advised for Alfalfa and Clover Leaf Weevils April 20, 2017

Alfalfa weevils have been reported damaging alfalfa in north central Kansas and western Nebraska. As temperatures warm up, expect to see alfalfa weevil larvae in southern Nebraska and slightly later, in northern Nebraska. Even with the pressure of planting row crops, it is essential that producers growing high quality alfalfa hay make time to monitor fields for weevils now and over the next few weeks. See the article for a table of treatment thresholds for various alfalfa prices.

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