Insect Management

The UNL Department of Entomology provides current, science-based information to meet the needs of clientele throughout the state and region. Our programs are directed at solving pressing insect pest problems and provide improved management recommendations, new insect pest management tools, and education for insect pest related issues.

Nebraska Guide to Insecticides for Field Crops
Excerpted from the most recent Nebraska Extension Guide for Weed, Disease and Insect Management, these insecticide tables cover alfalfa, corn, soybean, and wheat treatments. They are reviewed and updated annually. The full 300+ page guide is available at Nebraska Extension Publications.

Related Articles

western corn rootworm beetle

Considering Non-Bt Traited Corn in 2017? Plan for More Scouting February 8, 2017

If you're considering planting non-Bt corn this year, entomologists urge you to plan for the additional pest management practices (and associated costs) you may need to adopt, given this decision.

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Japanese beetle
Figure 1. Japanese beetle (Popillia japonica) (Photo by Jim Kalisch)

Nebraska Extension Pest of the Month: Japanese Beetle February 1, 2017

Insects are a part of our environment. Most are beneficial, not problematic. In fact, only a small percentage — less than one percent of all insects — are considered pests. However, some pests can be very problematic because they are invasive insects that came here from another country and they came here without their natural predators.

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Western Bean Cutworm: Pest Status & IPM Options January 6, 2017

A USDA-NIFA Outreach Webcast
hosted by the Plant Management Network

(34 min 48 sec)

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Western bean cutworm damaging an ear of corn
Western bean cutworm damaging an ear of corn

Nebraska Perspective on Efficacy of Cry1F Bt Corn Against Western Bean Cutworm October 21, 2016

While entomologists in the Eastern Corn Belt this month reported reduced efficacy of the Cry1f Bt protein against western bean cutworm in corn, Nebraska growers have been facing this for several years. While Cry1F products will still help control other pests, growers are advised to scout for WBC and determine whether treatment is necessary.

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Soybean stem borer larva
Soybean stem borer larva

Soybean Stem Borers Feeding in South Central Nebraska August 16, 2016

We are starting to see dead leaves caused by feeding of soybean stem borer larvae in south central Nebraska soybeans. No control measures are appropriate at this time, but monitor your fields and be aware that high populations of soybean stem borers may predispose the field to lodging and make harvest difficult.

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