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Twitter: @BobWrightUNL
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.
Fall Armyworms Damaging Alfalfa in Southeast Nebraska
August 24, 2021
Fall armyworm caterpillars do most of their feeding in the last stage. If you are not watching fields on a regular basis, you may not notice damage or armyworms until they are large and doing significant damage.
Scouting and Treatment Recommendations for Western Bean Cutworm
July 15, 2021
The first western bean cutworm moths were captured in University of Nebraska-Lincoln black light traps on June 25-27 at Clay Center, June 26-27 at North Platte, and July 1 at Scottsbluff.
Scout Now for Corn Rootworm Beetles to Assess Potential Risk of Future Damage
July 14, 2021
Weekly scouting of adult rootworm beetles in July and August will provide the information needed to decide whether rootworm control is needed next year.
Grasshoppers Return ― It’s Time to Scout Field Borders
July 12, 2021
Populations of immature grasshoppers are being reported in areas bordering crop fields in several parts of Nebraska. If these grasshopper species are one of the four major species that are likely to infest cropland, control may be warranted if high numbers are present.
Degree-days for Prediction of Western Bean Cutworm Flight
July 1, 2021
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.
Start Scouting for Potato Leafhoppers in Alfalfa
June 23, 2021
Potato leafhoppers have the potential to injure alfalfa in Nebraska every year and have been reported recently in southeast Nebraska. Generally they are a second and third cutting pest.
Soybean Gall Midge Emergence at Several Sites in Nebraska
June 10, 2021
On June 8 and 9, several sites in east-central and northeast Nebraska recorded emergence of soybean gall midge adults. Growers should consider making field edge applications now.