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

Western bean cutworm moth
Figure 1. Western bean cutworm moth (Photos by Julie Peterson)

Scouting and Treating Western Bean Cutworm July 11, 2018

Western bean cutworm egg masses have been reported on field corn in a number of locations across the state this week. Here's what to look for in the field, treatment thresholds and recommendations.

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Differential grasshopper
Figure 1. The differential grasshopper, one of four grasshopper species in Nebraska that feed on crops. The others are the twostriped, redlegged, and migratory grasshoppers.

Grasshopper Control Most Effective Early Season June 12, 2018

Heavy populations of immature grasshoppers were found in field borders in south central Nebraska corn fields this week. Scout and if numbers warrant, treat now when they're small and concentrated in borders. See story for identification tips, treatment thresholds, and control recommendations.

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European corn borer "shot-hole" damge to corn leaves

Scouting and Treatment of First Generation European Corn Borer June 12, 2018

While European corn borer numbers have greatly decreased regionally since the introduction of the first Bt corns, local populations may still cause damage on untraited corn such as popcorn or white corn or in field planted to non-BT corn to take advantage of lower seed costs. These fields should be scouted now.

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burrower bug nymphs

Burrower Bugs in Soybeans June 12, 2018

White-margined Burrower Bug nymphs have been identified in high numbers in a soybean field near Beatrice. This pest is seen periodically in Nebraska in a variety of crops.

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Painted lady butterfly and caterpillar

Large Populations of Painted Lady Butterflies June 11, 2018

In 2017 large populations of painted lady butterflies were seen across the state, raising concerns about whether the larvae form (thistle caterpillars) of this insect would cause damage to soybean fields.

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