Justin McMechan - Crop Protection and Cropping Systems Specialist

Counties documented as infested in 2018 (red) and 2019 (orange).
Figure 2. Counties documented as infested in 2018 (red) and 2019 (orange).

Soybean Gall Midge Adults Emerge from this Year’s Soybean Fields

July 17, 2019
A significant number of soybean gall midge adults have been collected from this year’s soybean fields in east-central and northeast Nebraska. Dead and dying plants have been observed near infested sites in both northeast and east central Nebraska.

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Virus infected wheat
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)

Reasons You Will Want to Control Volunteer Wheat and Weeds in Wheat Stubble After Harvest

June 19, 2024
Volunteer wheat can provide the summer "green bridge" for the disease wheat streak mosaic and other virus diseases, as well as soil water loss that could translate into a substantial decrease in yields the following year.

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Painted lady butterfly
Figure 1. Painted lady butterly (Photo by Jim Kalisch)

Painted Lady Butterflies Are Abundant In Many Areas—What Now?

July 10, 2019
Treatment is not recommended for the painted lady butterfly currently being seen in high numbers and could endanger beneficial insects. Treatment thresholds offer guidance for treating feeding caterpillars.

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Western corn rootworm beetle feeding on a leaf of corn

Western Corn Rootworm Beetles Emerging, Time to Scout

July 7, 2020
Western corn rootworm beetles began emerging in southeast and south central Nebraska at the end of June. Beetles emerge somewhat later in northeastern and western Nebraska.

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Figure 1. Soybean plant showing signs of wilting from soybean gall midge infestation.
Figure 1. Soybean plant showing signs of wilting from soybean gall midge infestation. (Photo by Justin McMechan)

Soybean Gall Midge: New Counties Infested and Second Generation Adults Emerging

July 8, 2019
Since June 30, low levels of adult emergence have been observed from east-central and northeast Nebraska counties from last year’s soybean fields. On July 2 and July 4 adults were found emerging from this year's soybeans in east-central Nebraska.

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Soybean gall midge larvae inside a soybean stem
Soybean gall midge larvae inside a soybean stem

Soybean Gall Midge Larvae Found in Soybean Plants

June 29, 2019
In Nebraska, soybean gall midge larval injury to soybean has been found in most areas where adult soybean gall midge activity occurred over the past two weeks It is unlikely foliar insecticides will affect this insect.

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Japanese beetle

Japanese Beetles Emerging; Scout Corn and Soybean Fields

July 1, 2024
Extension recommendations on estimating total defoliation from multiple insects to determine need for treatment in soybean.

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Soybean gall midge larvae inside a soybean stem
Soybean gall midge larvae inside a soybean stem

Soybean Gall Midge: Management Window Changing for Nebraska Growers

June 26, 2019
Soybean gall midge larvae found feeding within soybean plants in east central Nebraska mean foliar applications will likely no longer be effective. In northeast Nebraska, however, they may still be effective for a short time.

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