Content by Stephen Robertson

United States Environmental Protection Agency Sign plate outside the agency’s main office.

EPA Proposes a Decision to Approve Registration for Dicamba Labeling to Be Applied to Tolerant Soybean

Dicamba products previously labeled for overtop application to tolerant soybean are not registered for use during the 2025 growing season. However, the EPA has proposed to re-register these dicamba products for use in tolerant soybean starting in 2026.

U.S. Environmental Protection Agency offices in Washington, D.C.

Update on Chlorpyrifos Use in South Dakota

As of June 30, 2025, the labeled uses for chlorpyrifos products for food and feed are limited to alfalfa, soybean, and wheat in South Dakota. Chlorpyrifos can no longer be used to treat sunflowers.

Blue container with lid visible that has a label indicating it is only for pesticide contaminated clothing/PPE.

How to Properly Launder Pesticide Contaminated Clothing

Many types of personal protective equipment are intended for single use only and should be discarded after use, but how do you wash reusable equipment and clothing contaminated with pesticide residue?

Examples of three commonly used protective gloves used for pesticide applications.

Pesticide Personal Protective Equipment: Glove Selection

Safety gloves are one of the most-important pieces of pesticide personal protective equipment. Glove material is very important, as not all materials provide the same protection for different pesticide ingredients.

Adult red sunflower seed weevil on a sunflower leaf.

Malathion receives special local needs approval to treat red sunflower seed weevils in South Dakota from July 15 to August 31, 2025

The request was submitted and approved by the Environmental Protection Agency due to the large populations of red sunflower seed weevil present in South Dakota that are resistant to pyrethroid insecticides.

Closeup of a set M-44 device.

Private Applicator Endorsements for M-44 Devices, Fumigants, and Aerial Applications

Recent changes to South Dakota private applicator pesticide regulations have impacted the requirements to use M-44 predator-control devices, fumigants, and to apply pesticides from aerial vehicles.

Several plastic bottles of pesticides gathered together in a white tub.

Managing Waste Pesticides: Restricted Use Pesticides

While pesticides are intended only to impact pests, they can have negative consequences on unintended targets, such as humans and wildlife, if not handled properly. Learn what steps you need to take to safely dispose of unused pesticides and comply with regulations.

United States Environmental Protection Agency Sign plate outside the agency’s main office.

EPA Issues Emergency Order: Stop Using Dacthal

Following a review of data associated with the use of dimethyl tetrachloroterephthalate (sold under the most-common trade name, Dacthal), the EPA has issued an emergency order to stop using this active ingredient effective immediately.

A large white flower with green leaves

Night-Blooming Flowers and Host Plants for Moths

Moths are fascinating creatures, and they are also important pollinators. Learn about a variety of night-blooming flowers and native host plants that can attract these beneficial insects to your yard and garden.

A carbon dioxide mosquito trap set up on a lawn.

These mosquitoes are awful! What can I do in my backyard to manage them?

Mosquitoes are out in force across much of South Dakota. While there are steps you can take to prevent bites, there are also chemical and non-chemical options available for backyard mosquito control.