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Justin McMechan - Crop Protection and Cropping Systems Specialist

Stem borer in soybean

August 7, 2017

Check Soybean Fields for Evidence of Soybean Stem Borer

By Robert Wright - Extension Entomologist, Justin McMechan - Crop Protection and Cropping Systems Specialist

Painted lady butterfly by Jim Kalisch

August 8, 2017

Large Populations of Painted Lady Butterflies

By Justin McMechan - Crop Protection and Cropping Systems Specialist, Robert Wright - Extension Entomologist

Fall armyworm

October 12, 2017

Which Bt Traits Do You Need to Purchase?

By Julie Peterson - Extension Entomologist, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program, Thomas Hunt - Extension Entomologist, Lance Meinke - Professor of Entomology, Robert Wright - Extension Entomologist, Justin McMechan - Crop Protection and Cropping Systems Specialist

Dectes stem borer

October 27, 2017

Check for Dectes Stem Borer Damage in Soybeans

By Robert Wright - Extension Entomologist, Justin McMechan - Crop Protection and Cropping Systems Specialist, Kyle Broderick - Extension Educator and Coordinator of the UNL Plant and Pest Diagnostic Clinic

Figure 1. Rye cover crop planted in small sections of field for erosion control. Center photo shows a section of ground where cover crop did not establish with normally developing plants. Damaged corn plants were primarily restricted to areas where cover crop was present.

March 8, 2018

Wheat Stem Maggot in Corn: Plan on Scouting Your Cover Crop Fields This Spring

By Justin McMechan - Crop Protection and Cropping Systems Specialist, Robert Wright - Extension Entomologist, Gabriela Inveninato Carmona - Entomology Graduate Student

Cover crop field with mixed-species plantings

April 20, 2018

Timing of Cover Crop Termination and Related Factors

By Daren Redfearn - Extension Forage Crop Residue Specialist, Amit Jhala - Professor and Associate Department Head, Department of Agronomy and Horticulture, Justin McMechan - Crop Protection and Cropping Systems Specialist

Figure 1. Seasonal ecology of wheat stem maggot (Allen 1933) overlaid on 2017 field issues. Arrows indicate likely source of infestation started with adult movement in the spring.

April 25, 2018

Wheat Stem Maggot Adult Monitoring: A Pest of Cover Crop-to-Corn Transitions

By Justin McMechan - Crop Protection and Cropping Systems Specialist, Robert Wright - Extension Entomologist, Gabriela Inveninato Carmona - Entomology Graduate Student

cropwatch graphic

January 8, 2018

Corn Rootworm Management Update

By Robert Wright - Extension Entomologist, Julie Peterson - Extension Entomologist, Thomas Hunt - Extension Entomologist, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program, Justin McMechan - Crop Protection and Cropping Systems Specialist, Lance Meinke - Professor of Entomology

wireworm

May 16, 2018

Scout Emerging Corn for Insects; Don't Take Protection for Granted

By Robert Wright - Extension Entomologist, Justin McMechan - Crop Protection and Cropping Systems Specialist

Painted lady butterfly and caterpillar

January 8, 2018

Large Populations of Painted Lady Butterflies

By Justin McMechan - Crop Protection and Cropping Systems Specialist, Robert Wright - Extension Entomologist, Julie Peterson - Extension Entomologist, Thomas Hunt - Extension Entomologist, Jeff Bradshaw - Director of the Doctor of Plant Health Professional Program