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Patrick Wagner

SDSU Extension Entomology Field Specialist

Also by Patrick Wagner

A female Hessian fly on a blade of wheat.

Hessian Fly: Winter Wheat Planting Date Considerations

As winter wheat planting rapidly approaches, there are many factors that should be considered. One of those factors is choosing a planting date to avoid Hessian fly issues. Learn some expert tips for selecting a safe planting date for your region.

Adult red sunflower seed weevil on sunflower leaf.

Did Malathion Effectively Manage Your Red Sunflower Seed Weevils?

Now that the August 31 deadline for the application of products containing malathion for red sunflower seed weevil management has passed, it is time to determine if the product was effective. South Dakota State University entomologists have received varying reports on this topic.

Left Mosquito specimen with dark coloration. Right: Mosquito specimen with white band on its proboscis.

Mosquitos to Watch for in South Dakota

After many areas in South Dakota experienced heavy rainfalls, mosquitos are now a major issue. Learn which species are most common throughout the state and which carry the highest risk for West Nile Virus.