Insect & Pests

Keep an Eye on Black Grass Bugs This Spring

In South Dakota, black grass bugs are a common spring pest of forage grasses. This native insect first appears in late April and May when grasses emerge from dormancy.

Organophosphate Insecticides Under Continual Review by the Environmental Protection Agency

Recent moves by the EPA to limit or prevent the use of organophosphate insecticides present challenges for growers seeking effective pest control. So, what is motivating these changes, and what do they mean for producers?

Sunflower Bud Moth Caterpillars Observed at the Base of Sunflower Stalks

When we think of observing sunflower bud moths, it probably isn’t during the fall before harvest. However, there are two generations of sunflower bud moth, and the caterpillars of the later generation move to the base of the plant to overwinter.

Prompt Harvest Can Reduce Lodging Caused by Dectes Stem Borer in Sunflower

If you notice an increased amount of lodging in your sunflower field, it is recommended to harvest the field as soon as possible to reduce losses from Dectes stem bore infestations.

Chlorpyrifos Products Can be Used in 2024 for Insect Pest Management

The U.S. Environmental Protection Agencys recently announced that currently registered insecticide products with the active ingredient chlorpyrifos will be legal to use on labeled crops during the 2024 growing season.

Hessian Fly Pupae Detected in Central South Dakota

Recent reports of lodged wheat in central South Dakota revealed Hessian fly pupae in the lodged plants. Learn how to identify and manage this pest before it impacts your wheat harvest.

Early Season Insecticide Applications in Wheat

Many wheat producers in South Dakota have adopted more intensive management practices in the last few years, including an early season application of fungicide and, in some cases, insecticide.

Pesticide Mixing and Sprayer Calibration Equations

Pesticides need to be applied at proper rates to ensure effective control of the pest. Learn some common equations used to mix pesticides and calibrate sprayers.

Common Stored Grain Insect Pests

There are several species of insects that feed on stored grain, resulting in reduced grain quality. Learn how to identify some of the most-common grain pests that can be found in South Dakota.

SDSU Extension 2024 private pesticide applicator training dates set

January 12, 2024

South Dakota State University Extension’s 2024 winter and spring private pesticide applicator certification training sessions are set.