Insect Management

western bean cutworm moth

Scouting and Treatment Recommendations for Western Bean Cutworm

July 8, 2020
The first western bean cutworm moths were captured in University of Nebraska-Lincoln black light traps June 23 at North Platte, June 26 at Clay Center, and July 7 at Scottsbluff.

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ECB adult female

Light Trap Data Available Online

June 18, 2020
UNL Extension Entomology is monitoring crop insect pests (primarily moths) using black light traps at university facilities at North Platte, Clay Center, Mead, and Concord.

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soybean gall midge adult

First Emergence of Soybean Gall Midge in Cass County, Nebraska

June 11, 2020
On June 10th, 2020 three soybean gall midge adults were collected south of Louisville, Nebraska. This was the only site in the network with soybean gall midge adult activity.

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map showing GDD accumulation in Nebraska

Common Stalk Borer Scouting Should Start in Southern Nebraska

June 3, 2020
This week's map indicates that enough degree days have accumulated for common stalk borer eggs to have hatched across the state. It's time to start scouting.

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common stalk borer larva

Managing Stalk Borers in Corn

May 22, 2020
Stalk borer damage in corn commonly is confined to plants in the first few rows near field margins, fence rows, grass terraces, and waterways. Understanding the common stalk borer life cycle and behavior is critical to selecting management practices to reduce damage in corn.

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alfalfa weevil lifestages

Scouting Advised for Alfalfa Weevil

May 6, 2020
Alfalfa weevils have been reported damaging alfalfa in north central Kansas. As temperatures warm up, expect to see alfalfa weevil larvae in southern Nebraska and slightly later, in northern Nebraska.

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CW Podcast: Late-Maturing Crops and Insects

September 13, 2019
In this month’s CropWatch Podcast Extension Educator Michael Sindelar is joined by entomologist Robert Wright to discuss insect issues in late maturing corn and soybeans.

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Wireworms

Scout Emerging Corn for Insects; Don’t Assume Protection

May 22, 2019
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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