Content by Patrick Wagner
Squash Vine Borer Activity Estimates: April 29, 2022
Squash vine borers can be a serious garden pest. If left unmanaged, their activity can cause a rapid decline in the health and productivity of zucchini, squash, pumpkins and other winter squash.
Damsel Bugs: Beneficial Predators in Managed and Agricultural Landscapes
It is important to remember that not all insects are pests. Damsel bugs are beneficial predators that feed on soft-bodied insects, including many agricultural and garden pests.
Black Grass Bugs May Cause Issues if Drought Persists
In western South Dakota, black grass bugs are a common spring forage pest that can cause considerable damage during periods of drought. Learn how to monitor and manage this pest to protect your forages this spring.
2022 South Dakota Overwintering Bean Leaf Beetle Predicted Mortality
Bean leaf beetle emergence is approaching, so it’s important to start thinking about this pest. Knowing the number of days that the air was cold enough for bean leaf beetle mortality allows us to estimate the emerging populations in the spring.
Army Cutworms Are Active in South Dakota Wheat
Army cutworm caterpillar activity in winter wheat was detected a couple of weeks ago in South Dakota. Forecasted warmer temperatures will make conditions favorable for army cutworms to start feeding.
Forecasted Cold Temperatures Can Be Used To Cool Down Stored Grain
If temperatures are forecasted as being well below freezing, it would probably be a good time to start thinking about cooling stored grain. Cooling grain reduces the activity of stored grain insect pests and suppresses any mold growth that may otherwise occur.
Soybean Gall Midge in South Dakota
Fact sheet about soybean gall midge in South Dakota
Foreign Grain Beetles in New Construction
As new homes are constructed around South Dakota, we continually receive questions about small, brown insects showing up in bathrooms and basements. These insects are foreign grain beetles.
Dectes Stem Borer in Soybean
Although Dectes stem borers are more of an issue in South Dakota sunflower, they can also infest soybean. Thier larvae may cause soybean yield losses due to their feeding activity in the pith of the stem and also due to late-season lodging.
Chlorpyrifos Tolerances Revoked by U.S. Evironmental Protection Agency
In August 2021, a final rule was released by the U.S. Environmental Protection Agency for the insecticide active ingredient chlorpyrifos. The rule revoked all tolerances for chlorpyrifos.