Content by Amanda Bachmann

A medium orange and black butterfly resting with its wings open on small green leaves in a grassy area.

Generalist Host Plants in South Dakota

Many butterflies and moths are generalists, meaning that their larva can use a variety of host plants as food. Learn about some of the best host plants you can grow in your yard to support butterflies, moths, and everything that relies on them!

Pumpkins and winter squash on display at a farmer's market.

SDSU Extension to host off-season Garden Hour webinar series

October 02, 2023

South Dakota State University Extension will host four off-season Garden Hour webinars, starting in October 2023.

Four green caterpillars feeding on a leaf of green kale.

What’s chewing on my kale?

Cabbage white caterpillars can be a nuisance in kale and other cold crops, leaving behind ragged-looking leaves and a significant amount of droppings. Learn some expert tips for identifying and manage them before they take a bite out of your harvest.

Tan grasshopper with light colored stripes on its back sitting on the soil surface.

Grasshoppers May Cause Problems for Winter Wheat During Fall 2023

As winter winter begins emerging, it is important to monitor field edges for grasshopper activity and feeding injury. This is especially true in areas where large populations have been observed throughout the summer.

Brown slug on a green leaf leaving behind a whitish trail of slime.

Slugs: The Slimy Defoliators

Have you noticed defoliation in your garden accompanied by distinct trails on plant leaves? The culprit could be slugs, a common pest that can be found during during cool, wet weather and in certain garden micro-climates.

Red sunflower seed weevil adult.

Malathion: Emergency crisis exemption for red sunflower seed weevil in South Dakota from Aug. 16-31

An emergency crisis exemption for Malathion has been approved for red sunflower seed weevil control in sunflowers in South Dakota from August 16-31, 2023. Learn everything you need to know before applying it to sunflower crops before the deadline.

Red-brown colored weevil with bent antennae originating on the elongated mouthparts.

Red Sunflower Seed Weevils Emerging in South Dakota

Red sunflower seed weevil adults are emerging in South Dakota and some have been observed in sunflower fields. Learn how to scout and manage this pest before it impacts your sunflowers.

Corn silks with a beetle on them.

Redheaded Flea Beetles Clipping Corn Silks

While scouting corn last week, we noticed populations of redheaded flea beetles. These defoliators were removing leaf tissue, but the bigger issue with redheaded flea beetles is that they feed on corn silks as well.

Small, green teardrop shaped insects on a green, soybean stem with pink flower.

Soybean Aphids Are Active in South Dakota

Small populations of soybean aphids were recently identified while scouting soybean in the Volga and South Shore areas. This is a good reminder that scouting should be ongoing to ensure that populations do not exceed thresholds.

Eight green beetles in the top portion of the image and seven yellow beetles with varying black stripes in the bottom portion of the image.

Corn Rootworm Adults Are Emerging in South Dakota

It’s that time of the year when corn rootworms begin emerging in South Dakota. Learn some expert tips for monitoring populations in corn fields to determine if management is necessary.