Justin McMechan - Crop Protection and Cropping Systems Specialist

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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Crop progress and conditions for corn from the USDA National Agricultural Statistics Service indicating predicted timing for corn growth stages (2019).

Using Degree-Day Models to Predict Western Bean Cutworm Flights

June 21, 2019
With late planting, slow emergence, and cooler summer temperatures affecting corn development, will corn be spared from western bean cutworm damage in 2019. Unfortunately, models indicate WBC growth is also delayed. See a table of predicted dates for 2019 WBC flights in Nebraska and surrounding states.

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Soybean Gall Midge Emergence Update in Nebraska

June 21, 2019
Soybean gall midge numbers continue to increase at a number of monitoring sites in the state.

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Figure 1. Male soybean gall midge (left) and female soybean gall midge (right). Female has a point abdomen due to its ovipositor whereas males have a clasping organ at the end of the abdomen. Males are of no threat to this year’s soybean crop.
Figure 1. Male soybean gall midge (left) and female soybean gall midge (right). Female has a point abdomen due to its ovipositor whereas males have a clasping organ at the end of the abdomen. Males are of no threat to this year’s soybean crop.

Soybean Gall Midge Emergence Continues in Nebraska

June 18, 2019
Emergence of soybean gall midge continues to increase in eastern Nebraska. Traps are being monitored daily and will be reported to allow growers to plan insecticide application for highest efficacy. (June 18, 2019)

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Soybean gall midge adult

Emergence of Soybean Gall Midge in Southern Cass County, NE

June 15, 2019
Soybean gall midge adults were collected June 14 and 15 in Cass County, but have not yet been found elsewhere in Nebraska traps. This article addresses when and where treatment is warranted. (June 15, 2019)

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Wireworms

Scout Emerging Corn for Insects; Don’t Assume Protection

May 22, 2019
As corn begins to emerge, be alert to the potential for damage from early season insects such as cutworms, wireworms, white grubs, or other insects.

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Photos illustrating two points in rating system used to evaluate freeze damage to seedling corn. These show corn recovery from frost at V1-V2 growth stage in 2014 near Craig
Figure 1. Photos illustrating two points in rating system used to evaluate freeze damage to seedling corn. These show corn recovery from frost at V1-V2 growth stage in 2014 near Craig. (Photo by Roger Elmore)

Frozen, Emerged Corn?

May 10, 2019
Temperatures in some fields early Friday morning may have caused some to remember 2017 conditions and wonder about possible frost damage to corn seedlings. Here's how this year is different.

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Soybean gall midge traps

Alerts Available for Tracking Soybean Gall Midge

May 9, 2019
A new alert system will notify growers when emerging soybean gall midges are captured in field traps in counties where there was damage in 2018.

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