Julie Peterson - Extension Entomologist
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.
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.
Figure 1. Adult and small- to medium-sized larvae of the alfalfa weevil. (Photo by Julie Peterson)
May 2, 2022
Alfalfa weevils have been reported damaging alfalfa in southeast Nebraska; scouting for this pest is crucial for alfalfa producers over the next few weeks.
Producers will not be allowed to apply chlorpyrifos on any food or feed products after Feb. 28, 2022.
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.
July 15, 2021
The first western bean cutworm moths were captured in University of Nebraska-Lincoln black light traps on June 25-27 at Clay Center, June 26-27 at North Platte, and July 1 at Scottsbluff.
July 14, 2021
Weekly scouting of adult rootworm beetles in July and August will provide the information needed to decide whether rootworm control is needed next year.
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.
The recent temperature extremes will not provide adequate control of pests such as this overwintering sawfly larva.
February 26, 2021
Extension specialists detail what effect February's bitter temperatures and snow cover may have on overwintering insects in Nebraska.