Insect & Pests
All Insect & Pests Content
South Dakota Grasshopper Prediction for 2024
In 2024, grasshoppers are likely to cause problems in areas of South Dakota due to large populations that were present in 2023 and the relatively late first hard freeze date observed in much of the state.
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.