Insect Management

This Week on N Field: Army Cutworm

April 19, 2024

Now is the time to scout for army cutworm in wheat and alfalfa. Learn more about identifying army cutworm damage to crops in this new N Field Observations.

Aerial shot of combine in soybean field — A combine harvests soybean near Friend, Nebraska. (Photo by Craig Chandler, University Communication and Marketing)

Management Technique Shows Promise Against Emerging Soybean Pest

March 29, 2024

Entomologists at the University of Nebraska are experimenting with the production technique of hilling to control soybean gall midge populations in the Midwest.

This Week on N Field: Insect Survival After Polar Vortex

February 1, 2024

What impact did the polar vortex have on those troublesome agricultural insects that are taking a winter nap? Nebraska Extension Educator Amy Timmerman weighs in.

Cattle in snow — While water demands in the winter may be less than summer, keeping water available can be difficult. Having animals eat snow may be tempting but requires an experienced herd, plenty of fresh snow and healthy animals.

Pasture and Forage Minute: Winter Insect Mortality and Livestock Water Needs

January 16, 2024

Extension educators review the effects of subzero temperatures on overwintering insects and whether snow can adequately be used as a water source for cattle.

Map of soybean gall midge infestation locations in Midwest — A total of 164 counties have been documented as infested with soybean gall midge as of Aug. 9, with two new counties located in Kansas and six counties in Iowa.

Soybean Gall Midge Detected Across Nebraska Fields

September 12, 2023

With soybean gall midge emergence dates and locations advancing in the state, Nebraska Extension educators stress the importance of scouting and documenting observations, which can inform ongoing research on management options.

This Week on N Field: Scouting Western Bean Cutworm

August 4, 2023

Learn how to identify western bean cutworm eggs and larvae, and how to determine timing for insecticide applications in the latest N Field Observations.

Although at Low Levels, Soybean Aphids are in Nebraska

August 2, 2023

With soybean aphid infestations, it's important to preserve natural enemies under an integrated pest management approach, as well as treating only when pest populations reach economic or treatment thresholds, to let beneficial insects do their work.

Soybean Aphid Scouting and Management

August 2, 2023

Soybean aphids in Nebraska typically reach the economic threshold and require treatment in late July through August. Treatment during this time is usually enough to keep aphid populations from resurging before they leave fields for the season.

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