Insect Management

Cover of the 2019 Guide for Weed, Disease, and Insect Management in Nebraska

Weed, Disease, and Insect Guide Updated for 2019 February 1, 2019

The 346-page comprehensive pest management guide includes new herbicides for field crops and updated herbicide, fungicide, and insecticide efficacy tables. It also includes updated information on how to control resistant weeds, especially Palmer amaranth.

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A cutworm moth captured in the field.

Bugeye Workshop: Cutworms & Kin January 30, 2019

Growers concerned about the increase in cutworms in dry beans can learn about improved monitoring and management at a March 11 hands-on workshop in Scottsbluff.

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Each year more than 100 research trials are conducted at the South Central Agriculture Laboratory near Harvard. The Aug. 29 SCAL Field Day invites the public to view and learn about the most recent research from UNL and USDA scientists.
Figure 1. Each year more than 100 research trials are conducted at the South Central Agriculture Laboratory near Harvard. The Aug. 29 SCAL Field Day invites the public to view and learn about the most recent research from UNL and USDA scientists.

View Latest Crop and Pest Research at South Central Ag Lab Aug. 29 August 17, 2018

Tour field trials focused on irrigation and water management, soil fertility, entomology, weed science, cropping systems, and disease management at this year's South Central Ag Lab Field Day Aug. 29.

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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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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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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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Wheat stem sawfly video screen capture

Wheat Stem Sawfly Numbers Up in the Panhandle June 6, 2018

Video: Populations of wheat stem sawflies, a serious pest of wheat in western Nebraska, are at high numbers this year. Surveys are underway in wheat fields, grasslands and pastures to evaluate grass hosts for the pest and its parasitoids.

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