Pest Management

Grasshopper in pasture
With grasshopper populations flourishing in dry conditions statewide, the reduced agent/area treatment can be an effective control technique for pastures and rangeland.

Pasture and Forage Minute: Harvesting Drought-stressed Corn and Milo, Controlling Grasshoppers

August 2, 2022
Considerations for harvesting drought-stressed corn or milo, grasshopper control in pastures and rangeland, and taking inventory of fall/winter feed and hay.

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Potato leafhopper

Watch for Aphids and Potato Leafhoppers in Nebraska Alfalfa

June 22, 2022
Growers should begin scouting for potato leafhoppers and alfalfa aphids, as these pests have been spotted in Nebraska alfalfa fields prior to first cutting.

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Russian wheat aphids
Figure 1. Russian wheat aphids on a flag leaf of wheat.

Scout Your Wheat for Russian Wheat Aphids

May 24, 2022
Nebraska producers should begin scouting for Russian wheat aphids, as signs of this crop pest have begun appearing in Panhandle wheat plots and ongoing cool temperatures will support population growth. 

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Grasshopper

Continued Good News for Grasshopper Risk on Rangeland

February 10, 2022
Based on fall adult surveys conducted by USDA-APHIS, the risk of grasshopper infestation in Nebraska rangelands will be low in 2022, with slightly higher risk in southwestern Nebraska.

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Soybean gall midge-injured field

New Midwest Soybean Gall Midge Webinar Series in February

January 18, 2022
The new webinar series will offer the latest information and data on soybean gall midge distribution in the Midwest, scouting tips, insecticide applications and potential strategies that may assist growers in developing long-term pest management.

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Fall Armyworm

Fall Armyworms in Pastures, Alfalfa, Small Grains, Cover Crops, and Lawns

September 24, 2021
We continue to receive questions on management with the unprecedented number of fall armyworms experienced in Nebraska this fall. The following is a Q/A to address the specific questions we’ve received.

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Soybean gall midge infestation map

Soybean Gall Midge Identified in Eight Additional Nebraska Counties

September 1, 2021
Soybean gall midge (SGM) injury and pressure varied considerably across its geographic range, with the largest concentration of injured soybean fields occurring in east-central Nebraska this season. To date, a total of 140 Midwestern counties have been identified as infested with SGM.

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Western bean cutworm adult

Degree-days for Prediction of Western Bean Cutworm Flight

June 21, 2022
Measuring the amount of heat between an upper and lower threshold to which an insect has been exposed, degree-days models can provide a high level of precision in predicting western bean cutworm peak flight.

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