Soybean Insects

Seed corn maggots
Seed corn maggots

Avoiding Injury from Seed Corn Maggot April 26, 2019

A new pest management resource for the seed corn maggot predicts fly development based on accumulated growing degree days. A new map, updated daily, shows degree days at multiple sites.

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Soybean gall midge in stems
Figure 1. Soybean gall midges infesting soybean stems. (Photos by Justin McMechan)

Grower Input Sought at Dec. 20 Soybean Gall Midge Meeting December 12, 2018

Growers who dealt with soybean gall midge infestations in 2018 and those interested in learning more about this emerging soybean pest are invited to attend a roundtable discussion Dec. 20. Grower input can help share research efforts being planned for 2019.

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Soybean gall midge adult

Soybean Gall Midge: Adult Stage Identified November 7, 2018

The adult of the soybean gall midge, a new pest in north central US soybean production, has now been verified, allowing growers to add a new photo to their "Most Wanted" list for spring scouting.

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Soybean plant infested with orange gall midge.
Figure 1. Soybean plant infested with orange gall midge.

Survey of Orange Gall Midge in Nebraska: A Potential Pest of Soybeans August 23, 2018

A relatively new insect in soybean, the orange gall midge has now been confirmed in 15 eastern Nebraska counties.Growers and consultants are invited to submit reports of orange gall midge in counties where it hasn't previously been identified.

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Soybean stem borer

Scouting for Soybean Stem Borer Damage August 9, 2018

High populations of soybean stem borers may predispose your field to lodging and complicate harvest. Fields with higher levels of injury should be harvested first to minimize lodging losses.

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Soybean aphid

August Prime Time for Soybean Aphids August 2, 2018

Soybean aphid populations can explode in August under favorable conditions. Vigilant scouting is recommended, especially in northeast Nebraska where populations have historically been highest, to allow for timely management decisions.

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Soybean aphid speed scouting app

Scouting and Managing Soybean Aphids August 2, 2018

Recommendations for scouting and managing soybean aphids, including why the 250-aphids-per-plant threshold is used. Two tools―an app and Excel worksheet―can help speed up scouting in the field and indicate when treatment is warranted.

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A guide to estimating soybean leaf defoliation damage

Soybean Defoliators August 1, 2018

Defoliation injury is being reported in soybeans and often can look worse than it is. This illustrated guide to assessing injury can help you get reliable scouting numbers on which to base sound treatment decisions.

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