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Corn Disease Update: September 2, 2025
As of September 2, 2025, a number of corn diseases have been reported and confirmed throughout South Dakota. View our latest findings as we approach the fall harvest season.
Army Cutworm Migration Swarms Detected in Western South Dakota
Mass populations of army cutworm moths are being reported to entomologists at South Dakota State University. Thus far, these migratory swarms have only been observed in far western South Dakota, particularly within the Black Hills.
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.
West Nile Virus Update: September 3, 2025
As of August, the South Dakota Department of Health indicated that West Nile Virus positive mosquito pools have been detected in Beadle, Brookings, Brown, Codington, Hughes, Lincoln, and Minnehaha counties.
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.
Garden Hour
Garden Hour will return with as a limited series during the fall and winter months.
Garden Hour
Garden Hour will return with as a limited series during the fall and winter months.
Garden Hour
Garden Hour will return with as a limited series during the fall and winter months.
Integrating Precision Ag Tools for Smarter SCN Assessment and Management
Fact sheet on integrating Precision Ag tools for Soybean Cyst Nematode (SCN) assessment and management
Should I Spray for Soybean Aphids at the End of August?
Soybean aphid populations are persisting in many soybean fields throughout eastern South Dakota. In many cases, these soybean aphid populations are either at the 250 aphids per plant threshold, or very close.