Corn rootworm beetle

Impact of Planting Dates on Corn and Soybean Insects

July 18, 2019
The wide range in corn and soybean planting dates in Nebraska this year may affect the distribution and behavior of pest insects both this year and next year. Be alert to a possible shift and scout regularly to identify problem fields.

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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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Flooded field
Figure 1. Flooded crop fields in south-central Nebraska after heavy rains in 2019 caused growers to reexamine their options for fields already late planted or taken as prevented planting. (Photos by Sarah Sivits)

Crop Impacts and Options After Mid-season Flooding

July 2, 2024
After heavy summer rains have led to flooding in Nebraska, many farmers are facing concerns about how long crops can survive in standing water and implications for the remainder of the growing season.

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Reporting districts

Disease Reports from the UNL Diagnostic Clinic

July 12, 2019
Phytophthora root and stem rot in soybeans and bacterial leaf streak and common rust in corn were among the most common diseases reported in the last two weeks by the UNL Plant and Pest Diagnostic Clinic.

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Bacterial stalk rot in corn

Diseases to Watch for in Flooded Crops

July 11, 2019
Producers, consultants, and agronomists should be alert to the potential for increased disease pressure in fields that experienced flooding in March or more recently. Here are some of the diseases you're most likely to see.

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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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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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