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Alfalfa Weevil Activity Prediction Update: June 5, 2024
Although the degree day estimates suggest that alfalfa weevils are no longer active in the fields and should be pupating, scouting has indicated otherwise.
Common Stalk Borer Activity Update: May 30, 2019
Another cool, wet week has led to a limited accumulation of degree days. Based on our calculations, common stalk borer activity still doesn’t warrant any scouting, but spraying field edges should be avoided around Hot Springs, Winner and Vermillion.
Wasp Activity Is Ramping Up
With their distinctive black and yellow stripes and tendency to hang out in groups, wasps receive attention no matter the time of year. As the weather warms up and spring progresses, you may notice more wasp activity in your yard or around your house.
Alfalfa Weevil Activity Prediction Update: June 19, 2024
Across South Dakota, degree day estimates indicate that alfalfa weevil activity should be completed. However, our field observations this week suggest otherwise.
Common Stalk Borer Activity Estimate: May 27, 2021
Throughout South Dakota, we still haven’t accumulated enough degree days for common stalk borers to begin moving into corn, which is a good thing. At this point in time, common stalk borer activity is still going to be limited to weeds and grassy weeds.
Seedcorn Maggot Degree Day Activity Estimates: April 29, 2022
Seedcorn maggots can be an early-season pest of corn and soybean in South Dakota. View our latest seedcorn maggot activity estimates based on degree day accumulation for various locations throughout South Dakota.
Adult Corn Rootworms Are Active in South Dakota
Corn rootworm adults are active across South Dakota, and as a reminder it’s a good time to scout corn to determine if your fields have a rootworm issue.
Insects Are Being a Nuisance This Fall
The weather is changing, and many of us are noticing an uptick in the nuisance bites caused by several insects. The continued warm weather is going to increase the activity of all insects, including the ones that are causing us displeasure.
Vegetable Gardening During a Drought
In a drought, getting water to plants is a priority. The following management tips will help you efficiently use water and maximize other gardening practices to achieve a healthy and productive garden.
Caterpillars Active in South Dakota Corn Fields
Both European corn borer (Ostrinia nubilalis) and corn earworm (Helicoverpa zea) are active in corn fields. Sometimes the caterpillar activity and identity of these two species can be confused.