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.

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

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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NDA Regulatory, Inspection Efforts to Track Japanese Beetle April 14, 2017

Each year, the Nebraska Department of Agriculture surveys for Japanese beetle, a highly destructive insect of trees and shrubs as well as corn and soybeans. Learn more about why Nebraska falls into a Category 2 classification for being a partially infested state and what that means for plant inspections and sales.

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Nebraska map of Japanese beetle distribution

Japanese Beetles Migrating West April 13, 2017

A newly released map of confirmed Japanese beetle populations in Nebraska shows their westward movement from where they were first identified near Lincoln and Omaha several years ago. 

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Emerging New Technologies for Insect Pest Management March 31, 2017

Ravdeep Mutti, with the Du-Pont Pioneer Research and Development Center in Johnston, Iowa, will present the seminar, “Emerging New Technologies for Insect Pest Management” on Tuesday, April 4, at 4 p.m. in the Nebraska East Union. Refreshments will be served.

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western bean cutworm in corn
Figure 1. (left) Western bean cutworm causing feeding damage in corn. (Photo by Jim Kalisch and Silvana Paula-Moraes) (right) A green lacewing beneficial insect eating western bean cutworm eggs. (Photo by Julie Peterson)

Which Bt Traits Do You Need to Purchase? March 24, 2017

When it comes to buying corn seed, one way to save money can be to ensure that you don't invest in GMO insect protection traits that you do not need for your particular farm or field. Which corn rootworm, western bean cutworm, or European corn borer traits do you need? This article can help you determine which of the nine types of Bt proteins might best serve your needs.

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