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Seecorn maggot larva feeding on a seed in a field.

Seedcorn Maggot Degree Day Activity Estimates: May 26, 2022

Many areas in South Dakota have reached peak emergence for the second generation of seed corn maggots, while others are still approaching it.

Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 26, 2022

Throughout the state, all alfalfa fields should be scouted weekly to ensure that large populations of alfalfa weevils do not cause excessive defoliation like what we observed in 2021.

Alfalfa weevil larvae and adult.

Alfalfa Weevil Larvae Are Active in South Dakota

Alfalfa weevil larvae have been confirmed in alfalfa fields in South Dakota, which means it is time to start scouting fields more regularly. Learn some tips and consideration for scouting your fields.

A red sprayer in a green field with a cloudy sky in the background.

Boom Sprayer Calibration

Fact sheet on calibrating a boom sprayer to minimize damage to plants and reduce environmental impact

Left: Adult honey bee. Right: Bicolored striped-sweat bee

Beneficial Pollinators: Honey Bees and Bicolored Striped-Sweat Bee

With temperatures increasing in South Dakota, expect to see an increase of beneficial pollinators searching for blooming plants. Learn about two important pollinators, the honey bee and the native bicolored striped-sweat bee.

A hand examining a wheat plant in a wheat field

Improving Protein Content in Wheat

Wheat producers in South Dakota always strive to grow a premium product. Quality in wheat often depends on test weight and protein content.

Vast, rolling rangeland with spring plant growth.

Factors That Influence Plant Development and Growth

Year-to-year variability in climate can result in large swings in annual forage production for livestock producers. Learn some key considerations to observing and mitigating the effects of this variability.

Eight green beetles in the top portion of the image and seven yellow beetles with varying black stripes in the bottom portion of the image.

Corn Rootworm Adults Are Emerging in South Dakota

It’s that time of the year when corn rootworms begin emerging in South Dakota. Learn some expert tips for monitoring populations in corn fields to determine if management is necessary.

Base of soybean stem with small, translucent orange larvae present under the epidermis.

Soybean Gall Midge Larvae Detected This Season

Soybean gall midge larvae have been detected in soybean in southeastern South Dakota. While many infested fields are not showing obvious signs of infestation, there are some key indicators to look out for.

Small, green teardrop shaped insects on a green, soybean stem with pink flower.

Soybean Aphids Are Active in South Dakota

Small populations of soybean aphids were recently identified while scouting soybean in the Volga and South Shore areas. This is a good reminder that scouting should be ongoing to ensure that populations do not exceed thresholds.