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Black beetles with orange or yellow spots feeding on a ripe tomato.

How Do I Keep Insects From Destroying My Garden Produce?

It is not unusual to see insects in a garden during the fall, but it can be frustrating to watch nearly ripe produce be destroyed by insects before it can be picked.

a grub on a tree branch that has the bark pealed off

Sioux Falls to Host Emerald Ash Borer Tree Injection Workshop

April 21, 2021

As the season for emerald ash borer treatments nears in South Dakota, state forestry experts want applicators in the Sioux Falls area to be prepared.

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

Alfalfa Weevil Activity Prediction Update: April 22, 2021

It was another cool week without a lot of degree day accumulations. With warmer temperatures in the upcoming forecast, the need to scout for alfalfa weevil activity will increase.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: April 22, 2021

In its early vegetative growth stages, corn is susceptible to feeding by the common stalk borer. The hatching and movement of common stalk borer caterpillars can be estimated by using degree days.

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

Alfalfa Weevil Activity Prediction Update: April 29, 2021

With another warmer week in the forecast, the need to scout for alfalfa weevils continues. Based on current degree day accumulations, overwintering alfalfa weevil adult activity is likely throughout all of South Dakota.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: April 29, 2021

As temperatures continue to warm up, degree days are beginning to accumulate a little faster for common stalk borers. Most of South Dakota is still between conditions approaching egg hatch and egg hatch occurring.

Hand holding herbicide sprayer over vegetable garden.

Organic Herbicides: Garden and Flower Bed Weed Control

Many South Dakota homeowners do not want to use inorganic or synthetic herbicides due to potential health impacts. Organic herbicides can be a useful tool for weed control when combined with other management practices.

Four common South Dakota ticks: American dog, Rocky Mountain wood, blacklegged and Lonestar.

Be On the Lookout for Ticks

Ticks are one of the first pests to show up during spring. Learn some common ticks to watch out for in South Dakota, along with tips for preventing bites and removing ticks from your skin and clothing.

A small black bug with tan margins on the wings. This insect is resting on a grass seed head.

Drought Conditions Magnifying Impact of Black Grass Bugs

With much of South Dakota continuing to experience moderate-to-extreme drought conditions, black grass bugs could become a concern in some areas. Large populations of black grass bugs can cause severe damage to pasture.

Top: Army cutworm caterpillar. Bottom: Pale western cutworm caterpillar.

Monitor Wheat for Early-Season Cutworm Activity

It's finally warming up in South Dakota, and insect activity in wheat fields will be increasing. For wheat, a couple of early-season pests that may already be active are the army cutworm and the pale western cutworm.