Content by Patrick Wagner

Squash Bugs Are Active and Ready to Kill Your Plants
Squash bugs are a headache for gardeners almost every year in South Dakota. As their name implies, squash bugs feed on squash along with many other cucurbits. Injury caused by extensive feeding appears as wilting and may result in the death of infested plants.

Will Dectes Stem Borers Be an Issue in 2020?
Every year, there is a risk that sunflower in South Dakota will be infested by Dectes stem borer larvae. At this point in the season, adults are active, and females have likely been laying eggs in sunflower plants.

Monitor Sunflower for Banded Sunflower Moth Activity
Banded sunflower moths are active in South Dakota, which means it is time to start scouting sunflowers for their eggs. Banded sunflower moth caterpillars can reduce yields and oil content by feeding on the developing florets and tunneling into developing seeds.

Giant Wasps Are Invading My Yard! No, They Still Aren’t Murder Hornets.
Every year we receive multiple reports of giant wasps that seem to invade yards and gardens. These wasps aren’t the same as the so-called "murder hornets," but are actually cicada killer wasps.

What Are These Small White Insects in My Soybean Field?
During the last two weeks we have received reports of increasing numbers of small white insects present on soybean. The insects in question are whiteflies.

Dry Conditions Are Ideal for Spider Mite Activity
Several counties in South Dakota are experiencing dryer than normal conditions, therefore, it is important to monitor crops for spider mites, as they thrive during periods of dry weather.

Start Scouting for Grasshopper Activity in Crops and Grasslands
Most of Eastern South Dakota is experiencing very low grasshopper populations. However, this is not the case for many areas in Central and Western South Dakota.

Aphid Populations Are Starting to Show up in Corn
Small populations of aphids are starting to show up in corn fields, which could be problematic if the populations continue to grow. During dry seasons, they can have a greater impact on corn.

What Is Feeding on My Lilac Bushes?
There have been multiple reports of mysterious defoliation occurring on lilac bushes.The defoliation is often described as notches showing up around the edges of the leaves, resembling the edge of a saw blade.

Steps to Prevent Stored Grain Infestations
As wheat harvest is underway it is important to ensure that grain bins are prepared in the best possible manner to prevent insect infestations. There are seven steps that can be taken to help reduce the chances of having infested grain.