Pest Management

Potato leafhopper

Watch for Aphids and Potato Leafhoppers in Nebraska Alfalfa

June 22, 2022
Nebraska growers should begin scouting for potato leafhoppers and spotted alfalfa, as these pests have been spotted in alfalfa fields in Gage County and Scottsbluff, respectively.

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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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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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cutworm caterpillar

Scout Emerging Corn for Insects; Don’t Assume Protection

May 11, 2022
As corn begins to emerge, be alert to the potential for damage from early season insects such as cutworms, wireworms, white grubs or other insects.

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Alfalfa weevil larvae
Figure 1. Adult and small- to medium-sized larvae of the alfalfa weevil. (Photo by Julie Peterson)

Scouting Advised for Alfalfa Weevil

May 2, 2022
Alfalfa weevils have been reported damaging alfalfa in southeast Nebraska; scouting for this pest is crucial for alfalfa producers over the next few weeks.

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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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