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 grassland-sawfly-parasitoid intensive survey.

Wheat Insect Update January 9, 2019

A survey and landscape analysis is being conducted to better understand the ecology of both the wheat stem sawfly and its parasitoid, the most effective control method for the wheat stem sawfly in Nebraska.

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Wheat stem sawfly

What’s New in Entomology: Nebraska Panhandle January 9, 2019

Key crop insect pests to watch for in the Panhandle, including western corn rootworm, western bean cutworm, corn earworm, wheat stem sawfly, alfalfa weevil, grasshoppers, and a potential new pest, the brown marmorated stink bug. This article is from the 2019 Crop Production Clinic Proceedings.

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Corn earworm larva

What’s New in Entomology: West Central Nebraska January 9, 2019

A survey of ongoing, new, and potential insect pest threats to crop production in west central Nebraska. This article is from the 2019 Crop Production Clinic Proceedings.

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Corn rootworm

Which Bt Traits Do You Need to Buy? November 15, 2018

When it comes to buying corn seed, one way to save money is to ensure you are not investing in GMO insect protection traits you do not need for your particular farm or field. This guide can help you determine which traits you need where.

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A field of lodged wheat with an inset photo showing wheat stubs where the wheat stem sawfly overwinters.
Figure 1. Wheat lodging due to wheat stem sawfly. Figure 2 (inset). Wheat stubs remaining in field after sawfly feeding. The sawfly will overwinter in the stub and leave the plant in the spring.

Increased Wheat Stem Sawfly Populations In 2018 August 30, 2018

One of the newest challenges to wheat growers is the wheat stem sawfly, which can girdle stems, causing lodging and yield losses. University research may offer a clue to new control practices.

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Stinking smut (left) and loose smut of winter wheat
Fungal diseases of wheat include stinking smut (left, Figure 1) and loose smut (right, Figure 2). (Photos by Stephen Wegulo)

Should I Plant Treated Wheat Seed? August 29, 2018

Using clean, certified, treated winter wheat seed optimizes the chances of obtaining high yields. Seed-transmitted diseases and fall insects can reduce grain yield as well as quality next summer.

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Red-legged grasshopper nymph and adult
Red-legged grasshopper nymph and adult

Controlling Grasshoppers in Winter Wheat in the Fall August 29, 2018

Grasshopper populations may decline in late summer, but remain significant enough to cause serious damage to emerging wheat. Monitor densities in field borders before and after planting.

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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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