Julie Peterson - Extension Entomologist

Julie Peterson

faculty
Work
402 W State Farm Rd North Platte NE 69101-7751
US
Work 308-696-6704 On campus, dial 7-6704
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Faculty Bio
CW Welcome to Julie Peterson
Twitter: @PetersonInsects

Highboy near field
A high clearance sprayer used for insecticide applications. (TAPS photo)

Data Shows Limited Economic Impact from Western Bean Cutworm Control in 2024 Sprinkler Corn Competition

November 21, 2024
These research findings from the 2024 TAPS competition review the economic benefits of treating irrigated corn for western bean cutworm.

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Cannabis aphid on plant leaf

Arthropod Abundance in Industrial Hemp in West-central Nebraska

September 11, 2024
A diversity of both beneficial and potentially harmful insects has been found in industrial hemp grown in west-central Nebraska, and continued research will be crucial for producers in managing pests as hemp production expands in the state.

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Photo collage of insect on plant leaf and hand holding bisected plant stem
Figure 1. Adult soybean stem borer, Dectes texanus texanus (left) and larval tunneling in soybean petioles (right) at the Eastern Nebraska Research, Extension and Education Center in June 2024.

Dectes Stem Borer in Soybean

July 10, 2024
A difficult insect to manage, soybean stem borer has expanded its reach in Nebraska. This extension article reviews considerations for scouting and control options, plus resources for producers to learn more on this crop pest.

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False chinch bugs en masse on ground
Figure 1. False chinch bugs. (Photo by Ron Seymour)

False Chinch Bugs Found in Nebraska

July 1, 2024
False chinch bugs are usually considered an incidental pest, but wilting and feeding damage is occasionally noticed when a large number of the bugs feed on plants.

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Western bean cutworm on corn

Degree-days for Prediction of Western Bean Cutworm Flight in 2024

June 19, 2024
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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Insects in a line on flat surface
Figure 1. Wheat stem sawfly adult (left) and the two species of Bracon parasitoids (middle and right) that are commonly found parasitizing wheat stem sawfly larvae in Nebraska. (Photo by Jeff Bradshaw)

Wheat Stem Sawfly Flights Peaked, New Reports of Range Expansion

June 12, 2024
In addition to confirming the presence of wheat stem sawfly in new Nebraska counties this year, Nebraska Extension anticipates fairly high pressure from the crop pest this growing season.

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Soybean seedling damaged by pillbugs

Pillbugs Causing Injury to Soybean Crops in Nebraska

May 23, 2024
Management of pillbugs is challenging. While some insecticides and planting strategies may help control pillbug populations, producers should carefully weigh the pros and cons of each approach.

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Closeup of pesticide application on wheat field
For concerns regarding the use of chlorpyrifos on crops during the 2024 growing season, producers should contact their local extension educator for assistance.

Current Use of Chlorpyrifos and Food Tolerances

May 9, 2024
Nebraska Extension educators share guidance on the use of chlorpyrifos products on food and feed crops in the U.S.

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