Insect Management

Insects in Cover Crop Systems

April 6, 2018
If you missed the March 14 Nebraska Extension webinar on "Insects in Cover Crop Systems" with Justin McMechan, it's now available online.

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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.
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.

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

March 8, 2018
Wheat stem maggots were an issue for some eastern and southern Nebraska farmers planting corn directly into a growing cover crop, leading to questions about how to best manage this scenario in 2018. Learn why entomologists don't recommend adding an insecticide to the herbicide when terminating the cover crop.

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A March 14 noon-hour webinar will explore the issue of wheat stem maggot damaging corn planted directly into rye or wheat cover crops.
A March 14 webinar will explore the problem of wheat stem maggot damaging corn planted directly into rye or wheat cover crops.

March 14 Webinar on Wheat Stem Maggot in Cover Crops

March 2, 2018
A noon-hour webinar on March 14 will explore the issue of wheat stem maggot damage in corn planted directly into wheat or rye cover crops in 2017. Learn more about what happened and how to plan for 2018.

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Whole Farm Planning Featured at Farming Evolution Feb. 13-14

February 2, 2018
Topics at the 2018 Farming Evolution program Feb. 13-14 in Colorado will include no-till, cover crops, grazing livestock on cropland, and the importance of biodiversity in pest management as part of a whole-farm/whole-ranch plan.

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Cover 2018 Guide for Weed, Disease, and Insect Management in Nebraska
Cover 2018 Guide for Weed, Disease, and Insect Management in Nebraska

2018 Weed, Disease, and Insect Management Guide

January 11, 2018
The 2018 Guide for Weed, Disease, and Insect Management in Nebraska is now available in print or as a download. The 332-page guide offers a single, comprehensive resource based on Nebraska research and conditions.

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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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Painted lady caterpillar

Northeast Nebraska Insect Pest Update

January 8, 2018
Part of the 2018 Crop Production Clinic Proceedings, this article reviews insects to expect in northeast Nebraska crops and links to resources on management.

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Dectes stem borer
Figure 1. Dectes stem borer in soybean (Photos by Kyle Broderick)

Check for Dectes Stem Borer Damage in Soybeans

October 27, 2017
The dectes stem borer has been expanding its range in Nebraska and university entomologists are now receiving damage reports from eastern Nebraska.

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