Jeff Bradshaw - Extension Entomologist

Jeff Bradshaw

(faculty)
Work
4502 Ave I Scottsbluff NE 69361-4939
US

Faculty Bio
Get to Know Jeff: CW Introductory Article

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

Japanese Beetle in Corn and Soybeans July 23, 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
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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Wheat stem maggot

Insects in Cover Crops July 2, 2018

Integration of cover crops in cropping systems will alter pest and beneficial insect activity.

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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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Chart looking at adult sawflies from spring-disced summer fallow

Wheat Insect Pest Update June 19, 2018

An overview of the status of insects in wheat presented at the 2018 Crop Production Clinics, focusing on the wheat stem sawfly.

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Painted lady butterfly and caterpillar

Large Populations of Painted Lady Butterflies June 11, 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.

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Wheat stem sawfly video screen capture

Wheat Stem Sawfly Numbers Up in the Panhandle June 6, 2018

Video: Populations of wheat stem sawflies, a serious pest of wheat in western Nebraska, are at high numbers this year. Surveys are underway in wheat fields, grasslands and pastures to evaluate grass hosts for the pest and its parasitoids.

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Alfalfa weevil larvae and adults
Figure 1. Alfalfa weevil larvae and adults collected in a single 12-sweep sample in Goshen County, Wyoming by Dan Keener on May 11, 2018. Note that both large larvae and adults are present.

Scout Diligently for Alfalfa Weevils in May And June May 16, 2018

High populations of alfalfa weevils have been found in alfalfa throughout the Nebraska Panhandle; lower populations were reported this week in central and eastern Nebraska. The economics would warrant continued scouting through June to provide for timely treatment, if necessary, and yield protection.

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