Search

Zonitis Bilineata on Sunflowers

While scouting sunflower last week we noticed beetles that were present throughout the field on the developing buds. These beetles weren’t feeding on the buds or the bracts that they were often on. So, what were they doing on the sunflowers?

Caterpillars Active in South Dakota Corn Fields

Both European corn borer (Ostrinia nubilalis) and corn earworm (Helicoverpa zea) are active in corn fields. Sometimes the caterpillar activity and identity of these two species can be confused.

Wasp Activity Is Ramping Up

With their distinctive black and yellow stripes and tendency to hang out in groups, wasps receive attention no matter the time of year. As the weather warms up and spring progresses, you may notice more wasp activity in your yard or around your house.

False Chinch Bugs Back Again

False chinch bugs are active yet again in South Dakota. Although they are normally only a nuisance pest, their populations can become magnified during cool, wet springs.

What’s Causing the Tiny Holes on My Tomato Leaves?

Flea beetles are once again causing issues for gardeners across South Dakota. These herbivorous beetles can be a pest of many different garden plants, including tomatoes, peppers, beans, squash and lettuce.

SDSU Extension encourages attending SD Cattlemen’s feedlot tours on July 20

June 27, 2023

South Dakota State University Extension is inviting cattle producers, allied industry professionals or anyone interested in feeding cattle to attend the annual South Dakota Cattlemen’s Association Feeder Council feedlot tour on July 20 near Baltic, South Dakota.

Volunteer Wheat and Kochia Management With Herbicides Will Likely Require Two Passes

Wheat curl mites, which carry wheat streak mosaic virus, use volunteer wheat and grass weeds as secondary hosts to infest recently planted winter wheat crops. Therefore, effective management of these plants before winter wheat planting is critical.

A Case of Mistaken Caterpillar Identity

Tweets about European corn borer (Ostrinia nubilalis) caterpillars in the stems of conventional corn and feeding in the whorls of corn are crossing my Twitter feed. Unfortunately, there is a problem with some of these tweets. Not all of the caterpillars that are being identified as European corn borer caterpillars are actually European corn borer caterpillars!

Growth and Quality of Four Zinnia Cultivars Grown in Eastern South Dakota

The purpose of this study was to assess the production and quality of four zinnia cultivars grown in eastern South Dakota to support local specialty cut flower growers in their operations.

Bumble Flower Beetles Are Here

One of the insects that starts to attract attention this time of year are the bumble flower beetles. These large and noisy beetles somewhat resemble June beetles, but they show up later in the season.