Search

Left: Squash bee adult. Right: Male long-horned bee.

Beneficial Pollinators: Squash Bees and Long-Horned Bees

South Dakota is home to more than 400 species of native bees. In this article, we will highlight the squash bee and the long-horned bee, two beneficial native pollinators.

Wheat leaf showing the green and yellow mosaic streaking associated with WSMV.

Wheat Streak Mosaic Virus Showing Up in Fields

Wheat streak mosaic virus is a viral disease, which has been found in samples recently sent into the SDSU Plant Diagnostic Clinic. Learn how to identify it before it takes a toll on wheat crops.

Two producers inspecting freshly cut alfalfa in a field.

Alfalfa Harvest Timing and Objectives

Guessing when to make that first cutting can be difficult, as using plant maturity or calendar dates alone can be quite risky. Get the most out of your first cutting with some expert tips that consider the timing and objectives of alfalfa harvest.

Small white mites crawling on a blade of wheat.

Managing Wheat Curl Mite

Wheat curl mite is one of the more difficult pests to manage in wheat. This is in part due to the limited options available for preventing populations from infesting a field and rapidly reproducing.

Paul O. Johnson giving a presentation near a research plot.

Paul O. Johnson Retires After Dedicated Career in SDSU Extension

June 08, 2022

Paul O. Johnson, SDSU Extension Weed Science Coordinator and Northeast Research Farm Coordinator, is retiring after a dedicated 33-year career supporting the people of South Dakota in his role at SDSU Extension.

Group of mixed cattle grazing drought-stressed pasture.

SDSU Extension Provides Drought Management Resources

June 08, 2022

The U.S. Drought Monitor continues to classify parts of South Dakota in some level of drought. SDSU Extension has a variety of tools and resources to assist producers with drought decision making.

Multiple views of a green lacewing adult. The adult has a bright green body and large metallic eyes. The wings are translucent with green venation.

Green Lacewings: Beneficial Predators for Both Small and Large-Scale Landscapes

Many insect species are beneficial to landscapes, and some are even reared in large quantities to be released as biological control agents. In this article, we will focus on one of those insects, the green lacewing.

A black and yellow striped fly with large red eyes resting on a flower. The fly is covered in yellow pollen.

It’s a Bee! It’s a Wasp! No, It’s a Hover Fly!

Many types of insects are responsible for some degree of pollination in landscapes. In this article, we will focus on the syrphid fly as both an important pollinator and a beneficial insect predator.

Bean leaf beetle feeding damage on young soybean plants.

Bean Leaf Beetles Active in South Dakota

Soybeans in South Dakota are being targeted by the overwintering population of bean leaf beetles. See our latest activity report from around the state, along with scouting and management recommendations.

Dark colored caterpillar with two distinct black lines on head capsule.

Dingy Cutworms Observed in South Dakota Crops

Dingy cutworms have been reported in South Dakota crops, and their activity is likely to continue for at least another couple of weeks.