Insect & Pests
All Insect & Pests Content
Three-Lined Potato Beetles Are Eating My Tomatillos!
Three-lined potato beetles can cause issues in tomatillos, ground cherries, potatoes, and tomato plants Learn how to identify and manage them before they impact your garden produce.
Wheat Stem Sawfly Adults Observed in Northwestern South Dakota
Wheat stem sawfly adults have been captured in northwestern South Dakota. The observation of this pest can be used to determine areas where solid-stem wheat varieties should be considered.
Will Dectes Stem Borer Be a Problem for Sunflowers in 2023?
Dectes stem borer are a major topic for sunflower management in South Dakota every year. If drought conditions persist, this pest may cause problems in sunflower if left unadressed.
Dectes Stem Borer Observed in Soybean
We have received an increased number of Dectes stem borer reports in South Dakota soybean, and we are currently scouting to determine which counties have the highest risk for Dectes stem borer issues.
Grasshoppers Continue to Be an Issue During 2023
We have received numerous reports of very large populations of grasshopper nymphs in June. Before management action is taken, it is important to determine what stage observed grasshoppers are at.
Spider Mites on Garden Phlox
During warm, dry weather, spider mites are a common pest of phlox, causing speckling, bronzing, and yellowing on leaves due to feeding behavior. Learn how to identify and manage infestations before they impact your garden.
True Armyworm Caterpillars Found in South Dakota
Although true armyworms can feed on numerous crops, they are primarily an issue for corn and wheat. True armyworm caterpillars feed on leaves and can cause severe defoliation when large populations are present.
Blister Beetles Are Active in South Dakota
A common pest of alfalfa, blister beetles pose serious health risks to livestock if their bodies are consumed along with alfalfa bales. Learn some important considerations for identifying and managing blister beetles before harvesting alfalfa this growing season.
Alfalfa Plant Bugs Showing Up in Abundance
Several insect pests have been showing up early in alfalfa this season, including the alfalfa plant bug. Learn how to identify, scout, and manage this pest before it impacts your alfalfa yields.
Large Grasshopper Populations Detected in South Dakota
Very large populations of grasshoppers have been detected in southeastern South Dakota. Although these grasshoppers aren’t causing serious defoliation in crops yet, there is the possibility that they will as the season progresses.