Soybean Insects

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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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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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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Thistle Caterpillars In Soybean June 12, 2019

The painted lady butterfly has been observed in eastern Nebraska for about a month and recently there have been reports of its immature stage, the thistle caterpillar, in soybeans.

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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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