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

Dectes stem borer
Figure 1. Dectes stem borer in soybean (Photos by Kyle Broderick)

Check for Dectes Stem Borer Damage in Soybeans October 27, 2017

The dectes stem borer has been expanding its range in Nebraska and university entomologists are now receiving damage reports from eastern Nebraska.

Read more

Fall armyworm
Fall armyworm

Which Bt Traits Do You Need to Purchase? October 12, 2017

When it comes to buying corn seed, avoid investing in GMO insect protection you don't need. This guide looks at available traits and which proteins are effective on which pest species to help growers select the product best suited to their fields.

Read more

Map of counties reporting the sugarcane aphid
Figure 1. US counties where the sugarcane aphid has been confirmed. (Source: https://www.myFields.info)

Sugarcane Aphid in Nebraska September 28, 2017

The sugarcane aphid has been detected in a Nebraska grain sorghum field near Pawnee City, according to the Nebraska Grain Sorghum Board. This is the first time this pest has been reported on Nebraska sorghum.

Read more

Figure 1. Counties with confirmed sugarcane aphids. Sorghum growers in southeast Nebraska are encouraged to scout for this pest.
Figure 1. Counties with confirmed sugarcane aphids. Sorghum growers in southeast Nebraska are encouraged to scout for this pest. (Source: http://www.myfields.info)
Painted lady butterfly by Jim Kalisch

Large Populations of Painted Lady Butterflies August 8, 2017

Reports of painted lady butterflys have been numerous in rural areas, including in soybeans, causing growers to ask if there's likely to be an increase in their soybean leaf-eating caterpillars. Entomologists discuss this question and the insect's life cycle, and offer a "how-to" on estimating leaf defoliation.

Read more