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A thin brown insect with two white spots on its side hoisting a yellow insect up with its mouthparts.

Biocontrol Agents: Brown Lacewings

With so many insect pests causing concern for both gardeners and farmers, it’s important to know which ones are on our side. In this article, we focus on the brown lacewing and the beneficial role it plays within the landscape.

A metallic blue-green tiger beetle feeding on a light green caterpillar.

Tiger Beetles: Beneficial Predators and Ecosystem Health Indicators

Tiger beetles are generalist predators, meaning they prey on a wide variety of pests. Observing them in a landscape is a great sign that an ecosystem is healthy and supporting both prey and predators.

a black and white photo or Edgar McFadden

McFadden and Borlaug: Pioneering Rust-Resistant Wheat

During a brief period of time in the Dakota Territory in the late 1800’s, wheat acreage increased from just over 100,000 acres to well over a million acres. During one year in the height of this heyday, 1897, it has been stated that two-thirds of the world’s wheat was shipped from present-day Eureka, SD, and wagons bearing the crop rolled in from as far as 75 miles away.

Soil fertilizer spread within a one square foot box.

Seven Grams of Fertilizer Is All It Takes: Growing Optimal Corn in South Dakota

Have we really asked how much fertilizer is really takes to grow a decent corn crop? Learn some important considerations for fertilizing corn and improving long-term soil health and fertility.

Three beetles. From left: Black colored blister beetle on a purple flower. Gray colored blister beetle on a green alfalfa stem. Orange-brown colored blister beetle feeding on a sunflower head.

Blister Beetles Are Active in South Dakota Alfalfa

Blister beetles have been spotted in several alfalfa fields in South Dakota, which means it’s time to start scouting to determine how many are present.

SDSU Releases Two New Spring Wheat Varieties

Two new spring wheat varieties, Forefront and Advance are being increased by South Dakota Foundation Seed Growers and will be available to everybody in 2013.

White canvas material covered in dark colored aphids.

Cowpea Aphid Populations Taking off in Alfalfa

In southeast South Dakota, we are observing large cowpea aphid populations in alfalfa. Large populations can reduce yields, and, if left unmanaged, these infestations even kill the plants.

A pasture containing a mixture of grasses and alfalfa.

Grasshopper Activity Is Ramping Up

We have already observed increased grasshopper activity in many areas of the state and, depending on the 2022 season, they may become problematic in crops.

Small fly with black and white alternating bands on legs.

Soybean Gall Midge Adults Detected in South Dakota

Soybean gall midge emergence was first detected in South Dakota two weeks ago, during the week of June 13 -17, 2022. Emergence continues to be slow, with the only observations in southeast South Dakota.

Dark colored caterpillar feeding on wheat head.

True Armyworm Caterpillars Spotted in South Dakota

While scouting this week we observed some very small true armyworm caterpillars. Every year these caterpillars pose a threat to wheat fields, and the best way to stay ahead of them is to start scouting before defoliation is done.