Robert Wright - Extension Entomologist

Robert Wright

emeriti
  • Emeritus Professor University of Nebraska–Lincoln
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

Corn leaf aphids

Watch for Aphids in Corn

July 27, 2023
Aphids cause the greatest amount of injury while they are feeding within the whorl prior to tassel emergence. Treatment may be needed if pollination is no more than half complete and more than half of the corn tassels are covered with aphids.

Read more

Western bean cutworm adult moth

Degree-days for Prediction of Western Bean Cutworm Flight

June 29, 2023
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.

Read more

Miller moths

Spring Miller Moth Invasion

May 23, 2023
While they don't cause damage to plants when feeding, migrating army cutworm moths can be an irksome household pest. Fortunately, there are simple management methods to prevent them from entering homes and other structures. 

Read more

Potato leafhopper

Watch for Aphids and Potato Leafhoppers in Nebraska Alfalfa

June 22, 2022
Growers should begin scouting for potato leafhoppers and alfalfa aphids, as these pests have been spotted in Nebraska alfalfa fields prior to first cutting.

Read more

Pesticide application
Producers will not be allowed to apply chlorpyrifos on any food or feed products after Feb. 28, 2022.

Food Tolerances Revoked for Chlorpyrifos — What to Know

February 22, 2022
Producers will not be allowed to apply chlorpyrifos on any food or feed products after Feb. 28, 2022, and any food items treated with chlorpyrifos products after that date are not permitted to be sold.

Read more

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.

Read more

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.

Read more

Fall armyworm
Fall armyworm. Photo by Nathan Mueller

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.

Read more