Robert Wright - Extension Entomologist

Robert Wright

faculty
Work Entomology Hall (ENTO) 213
Lincoln NE 68583-0816
US
Work 402-472-2128 On campus, dial 2-2128

icon-academic-capEducation

  • BA, University of California, 1975
  • MS, University of Arizona, 1977
  • Ph D, North Carolina State University, 1981

icon-chat-userCourses

  • ENTO 888, MS Degree Project, Fall 2018

Faculty Bio
Twitter: @BobWrightUNL

Western corn rootworm beetle feeding on a leaf of corn

Western Corn Rootworm Beetles Emerging, Time to Scout

July 7, 2020
Western corn rootworm beetles began emerging in southeast and south central Nebraska and will feed on corn leaves until silks, their favored food, emerge. Beetles will emerge somewhat later in northeast and western Nebraska.

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Japanese beetle

Japanese Beetles Emerging; Scout Corn and Soybean Fields

June 23, 2020
Japanese beetle adults are beginning to emerge in eastern Nebraska corn and soybeans, as well as landscape trees and shrubs. They will continue to emerge for the next few weeks. This story includes a guide for estimating total defoliation from multiple insects to determine need for treatment in soybean.

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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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western bean cutworm larvae

Western Bean Cutworm Flight Predictions for 2020

June 17, 2020
The growth stage of corn during WBC flight is critical as moths prefer to lay their eggs on corn plants between the late whorl to early tassel stage. Survival of young WBC larvae is highest if they can feed on newly emerged tassel prior to moving into the ears.

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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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Seed corn maggots
Seed corn maggots

Avoiding Injury from Seed Corn Maggot

May 20, 2020
We have received several reports of injury from seed corn maggot that has reduced stands of Nebraska soybeans. Learn why they may have been more problematic this year.

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