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Gray beetle with long antennae that are alternating white and black pattern on green leaf petiole.

Dectes Stem Borer Adults Active in Sunflower

In South Dakota, one of the insects that is commonly observed in sunflower is the Dectes stem borer larva. At this point in the season, adults are beginning to become active with females laying eggs in sunflower plants.

West Nile Virus Update: September 3, 2025

As of August, the South Dakota Department of Health indicated that West Nile Virus positive mosquito pools have been detected in Beadle, Brookings, Brown, Codington, Hughes, Lincoln, and Minnehaha counties.

West Nile Virus Update: September 10, 2025

As of September 10, 2025, the South Dakota Department of Health (SD DOH) reported 59 human cases of West Nile virus from Beadle, Bon Homme, Brookings, Brown, Charles Mix, Codington, Corson, Grant, Gregory, Hamlin, Hand, Hughes, Hutchison, Hyde, Lawrence, Lincoln, Marshall, Meade, Miner, Minnehaha, Pennington, Sanborn, Spink, and Walworth counties.

West Nile Virus Update: September 26, 2025

As of September 26, 2025, the South Dakota Department of Health (SD DOH) reported 74 human cases of West Nile Virus from Aurora, Beadle, Bon Homme, Brookings, Brown, Charles Mix, Clay, Codington, Corson, Douglas, Grant, Gregory, Haakon, Hamlin, Hand, Hughes, Hutchison, Hyde, Lawrence, Lincoln, Marshall, Meade, Miner, Minnehaha, Pennington, Roberts, Sanborn, Spink, Stanley, Union, Walworth, and Yankton counties.

Greenish brown bugs on a white sweep net cloth.

Alfalfa Plant Bugs Showing Up in Abundance

Several insect pests have been showing up early in alfalfa this season, including the alfalfa plant bug. Learn how to identify, scout, and manage this pest before it impacts your alfalfa yields.

Two black angus cows with calf in a dry pasture.

Managing For Annual Swings in Forage Production

Being able to adapt your stocking rate and grazing intensity to fit forage conditions provides you with tangible management actions you can take to protect your pastures from overgrazing in any year.

Understanding the New Folks in Town

In rural communities, making an effort to understand newcomers better may result in them staying in your community longer, while also attracting more people like them.

Mother and son at a computer with the health insurance marketplace on-screen.

Health Insurance and the Marketplace

The Marketplace is a service operated by the U.S. Department of Health and Human Services where you can shop and enroll for health insurance. Learn what's covered in marketplace plans, how to enroll, and where you can get help.

Crate of fresh picked vegetables with a garden in the background

Dakota Food Rx and high tunnel research support local producers

September 25, 2024

SDSU Extension has supported the growing local foods movement for more than 20 years. This year, those efforts have included a pilot produce prescription program and expanded high tunnel research.

SDSU Extension’s Approach to the 2017 Drought

Most of the Great Plains, of which Western South Dakota is part of, have always been considered a semi-arid area of the U.S. This region is characterized by hot, relatively short summers, and usually cold, dry winters.