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

Spider mite damage to soybean leaves.
Spider mite damage to soybean leaves.

Identifying Spider Mite Damage and the Species Responsible

July 26, 2022
With growing reports of spider mites damaging corn and soybeans in Nebraska, it's important to check leaves closely, as many other crop issues can cause similar discoloration.

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Twospotted spider mites on leaf
Figure 1. Twospotted spider mites. Almost microscopic in size, the spider mites may be imperceptible on a leaf, but become more visible against its silk-like webs. (Photos by Jim Kalisch)

Managing Spider Mites in Corn and Soybean

July 26, 2022
Recommendations for managing spider mites in corn and soybean, including treatment thresholds and insecticides, as well as discussions on the potential impact of beneficial insects, diseases and insecticide applications.

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Western corn rootworm beetle

Scout Now for Corn Rootworm Beetles to Assess Potential Risk of Future Damage

July 19, 2022
Weekly scouting of adult rootworm beetles in July and August will provide the information needed to decide whether rootworm control is necessary next year.

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Adult differential grasshopper

Grasshoppers Return ― It’s Time to Scout Field Borders

July 14, 2022
If the grasshopper species currently invading field borders are one of the four major species that are likely to infest cropland, control may be warranted if high numbers are present.

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western bean cutworm moth

Scouting and Treatment Recommendations for Western Bean Cutworm

July 13, 2022
Scouting should be prioritized in fields that are at the preferred growth stage for egg-laying and/or do not have the VIP3A Bt trait to protect them from western bean cutworm injury.

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Japanese beetle

Japanese Beetles Emerging; Scout Corn and Soybean Fields

July 11, 2022
Extension recommendations on estimating total defoliation from multiple insects to determine need for treatment in soybean.

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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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