Content by Amanda Bachmann
Northern and Western Corn Rootworm in South Dakota
Fact sheet on Northern and Western Corn Rootworm in South Dakota
Garden and Yard Problems Solved: How to Submit Photos and Samples to Our Experts
Garden and lawn issues can sometimes be diagnosed by simply looking at a photo. Photos give our Extension experts a place to start, and providing them with the best possible photo can help the process.
Red and Gray Sunflower Seed Weevil Identification
While scouting sunflower, it’s not uncommon to observe both red and gray sunflower seed weevils on the same developing head. Differentiating these two species isn’t difficult, as there are obvious size and coloration differences.
Snailcase Bagworms in South Dakota
A unique insect that has been observed in South Dakota is the snailcase bagworm. Snailcase bagworms are wingless moths that spend their entire life in spiral-shaped “snail” cases, which they build around themselves using a combination of silk, soil particles and fecal matter.
Springtails Are in My Home
During the last few weeks, we have been receiving an increased number of questions regarding very small insects that jump very far. It didn’t take long to determine that the hordes of small insects are springtails.
Cicada Killer Wasps Are Active in South Dakota
The cicada killer wasps are active in South Dakota, which means cicadas are probably not far behind. As their name implies, cicada killer wasps use cicadas as a food source. They can present an impressive spectacle if you observe one carrying a paralyzed cicada from a tree.
Start Scouting for Striped Cucumber Beetles
Striped cucumber beetles are showing up in gardens across South Dakota. If large populations are present in a garden, they can cause severe injury to squash, cucumbers, melons and other cucurbits if left unmanaged.
Soybean Gall Midge Larvae in South Dakota Soybean
Soybean gall midge larvae were observed in South Dakota soybean this week. Although insecticide applications haven’t been very effective at this stage, it is still important to scout fields and determine the location and extent of soybean gall midge infestations.
Thistle Caterpillars Observed on Canada Thistle
Although thistle caterpillars are normally first observed in July or August, it is possible for them to appear earlier if weather conditions are favorable. While these caterpillars are generally not present in high numbers, they can cause severe defoliation.
Squash Vine Borer Moths Are Active
Squash vine borer moths have been observed in South Dakota gardens. Now that we know they are active, it is important to take steps to ensure that they don’t have a negative impact on our squash plants.