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

sawfly larva within its pupal chamber
Wheat stem sawfly within its pupal chamber.

Wheat Stem Sawfly in 2020

September 1, 2020
This article provides a brief background on how the wheat stem sawfly arrived here, ideas on how we might manage it in Nebraska and thoughts on why we saw reduced damage in some regions while others had the most damage they have ever seen.

Read more

wheat stem sawfly adult

Wheat Stem Sawfly Infestations Continue to Impact Harvest in the Nebraska Panhandle

July 23, 2020
WSS damage in winter wheat was first noted in Nebraska in the early to mid-1990s in Banner County near the Wyoming border. It has continued to increase ever since and now is a very significant issue.

Read more

western bean cutworm moth

Scouting and Treatment Recommendations for Western Bean Cutworm

July 8, 2020
The first western bean cutworm moths were captured in University of Nebraska-Lincoln black light traps June 23 at North Platte, June 26 at Clay Center, and July 7 at Scottsbluff.

Read more

Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well
Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well. (Photo by Gary Hein)

Why Control of Volunteer Wheat is Critical to Protecting Next Season's Yields

June 23, 2020
Volunteer wheat can provide the summer "green bridge" for the disease wheat streak mosaic and other virus diseases. This almost always occurs as a result of wheat seed shattered from heads during hail storms.

Read more

western bean cutworm larvae

Western Bean Cutworm Flight Predictions for 2020

June 17, 2020
The growth stage of corn during WBC flight is critical as moths prefer to lay their eggs on corn plants between the late whorl to early tassel stage. Survival of young WBC larvae is highest if they can feed on newly emerged tassel prior to moving into the ears.

Read more

army cutworm miller moths

Spring Miller Moth Invasion

May 26, 2020
During the daylight hours the army cutworm moths seek shelter in cracks and crevices including those found in houses and other buildings. The moths begin to emerge from these locations at dusk to resume their feeding and westward migration.

Read more

alfalfa weevil lifestages

Scouting Advised for Alfalfa Weevil

May 6, 2020
Alfalfa weevils have been reported damaging alfalfa in north central Kansas. As temperatures warm up, expect to see alfalfa weevil larvae in southern Nebraska and slightly later, in northern Nebraska.

Read more

army cutworm caterpillar

Army Cutworm Scouting Urged in Western Nebraska Wheat and Alfalfa

March 27, 2020
Army cutworms have been spotted in Kansas and Nebraska crop fields this month. This is an important time to scout for this pest, particularly in wheat and alfalfa.

Read more

Pages