Wheat Stem Maggot

Wheat stem maggot

Wheat Disease Update — June 10

June 10, 2022
Growers in southeast Nebraska have detected trace levels of foliar fungal diseases in wheat fields; no rust diseases have been reported yet. 

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Figure 1. Seasonal ecology of wheat stem maggot (Allen 1933) overlaid on 2017 field issues. Arrows indicate likely source of infestation started with adult movement in the spring.
Figure 1. Seasonal ecology of wheat stem maggot (Allen 1933) overlaid on 2017 field issues. Arrows indicate likely source of infestation started with adult movement in the spring.

Wheat Stem Maggot Adult Monitoring: A Pest of Cover Crop-to-Corn Transitions

April 25, 2018
This article looks at wheat stem maggots in cover crops-to-corn transitions, including their biology, risk for damage to early season corn, and what to look for this spring.

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A March 14 noon-hour webinar will explore the issue of wheat stem maggot damaging corn planted directly into rye or wheat cover crops.
A March 14 webinar will explore the problem of wheat stem maggot damaging corn planted directly into rye or wheat cover crops.

March 14 Webinar on Wheat Stem Maggot in Cover Crops

March 2, 2018
A noon-hour webinar on March 14 will explore the issue of wheat stem maggot damage in corn planted directly into wheat or rye cover crops in 2017. Learn more about what happened and how to plan for 2018.

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Wheat stem maggot fly

Adult Emergence of Suspected Wheat Stem Maggot from Infested Corn Plants

June 22, 2017
University researchers are studying why suspected wheat stem sawflies are being found again this year in Nebraska corn, previously thought to be a non-host. Major yield loss is not expected in corn from this pest.

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