Julie Peterson
faculty
- Professor Entomology University of Nebraska–Lincoln
- Courtesy Professor West Central Research & Extension Center University of Nebraska–Lincoln
- Assoc Director West Central Research & Extension Center University of Nebraska–Lincoln
Work
402 W State Farm Rd
North Platte
NE
69101-7751
US
Work
308-696-6704
On campus, dial 7-6704
QR Code for Julie Peterson
Faculty Bio
CW Welcome to Julie Peterson
Twitter: @PetersonInsects
Army Cutworm Scouting Urged in Western Nebraska Wheat and Alfalfa
March 6, 2024
With recent warm weather, army cutworms have been spotted in southern Sioux County and central Lincoln County. Producers should begin scouting for this pest to mitigate crop damage, particularly in winter wheat and alfalfa.
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.
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.
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.
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.
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.
Alfalfa Weevil Surging in Alfalfa Fields
May 8, 2024
Alfalfa weevil larvae have emerged in southeast, south-central and central Nebraska; scouting for this pest is crucial for alfalfa producers over the next few weeks.
Army Cutworm Scouting Urged in Western Nebraska Wheat and Alfalfa
March 31, 2021
With Army cutworms sightings reported from in Kansas, Extension experts encourage scouting efforts begin in Nebraska's fields — particularly in the west.