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 7-6704

Faculty Bio

CW Welcome to Julie Peterson

Twitter: @PetersonInsects

Western bean cutworm moth
Figure 1. Western bean cutworm moth (Photos by Julie Peterson)

Scouting and Treating Western Bean Cutworm July 11, 2018

Western bean cutworm egg masses have been reported on field corn in a number of locations across the state this week. Here's what to look for in the field, treatment thresholds and recommendations.

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Western bean cutworm moth
Western bean cutworm moth

Using Degree-Day Models to Predict Western Bean Cutworm Flights June 21, 2018

By using a degree-day model, growers can account for the effect of temperature on insect development and approximate when certain insect stages will occur. See predicted cutworm flights and recommended scouting periods for 14 Nebraska locations.

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Western bean cutworm larvae on an ear of corn

Efficacy of Foliar Insecticide Treatments for Western Bean Cutworm in Corn April 11, 2018

Researchers report on three years of field research in west central Nebraska where 4-14 insecticide treatments were tested under irrigated conditions.

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Map of Japanese beetle distribution in Nebraska in 2016
Figure 1. Japanese beetle distribution in Nebraska in 2016.

Japanese Beetle in Corn and Soybeans January 8, 2018

An article from the 2018 Crop Production Clinic Proceedings on distribution, scouting and damage from Japanese beetles in Nebraska corn and soybean.

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Western bean cutworm moth flights

Western Bean Cutworm Pest Update January 8, 2018

An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics: An update on the western bean cutworm, a major pest in corn and dry bean production for most of Nebraska.

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Corn Rootworm Management Update January 8, 2018

From the 2018 Crop Production Clinic Proceedings: Corn rootworm continues to be a problem for Nebraska growers who rotate crops infrequently. Additionally, resistance to insecticides and some Bt corn reduces efficacy of these important tools in some fields.

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Painted lady butterfly and caterpillar

Large Populations of Painted Lady Butterflies January 8, 2018

In 2017 large populations of painted lady butterflies were seen across the state, raising concerns about whether the larvae form (thistle caterpillars) of this insect would cause damage to soybean fields. An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics.

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Chart looking at adult sawflies from spring-disced summer fallow

Wheat Insect Pest Update January 8, 2018

An article from the Proceedings of the 2018 Nebraska Extension Crop Production Clinics reviewing the status of insects in wheat, particularly the wheat stem sawfly.

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