Insect & Pests

All Insect & Pests Content

Young farmer analyzing data on a tablet computer beside a crop sprayer.

Pesticide Mixing and Sprayer Calibration Equations

Pesticides need to be applied at proper rates to ensure effective control of the pest. Learn some common equations used to mix pesticides and calibrate sprayers.

Three stored grain pests. From left: Maize weevil, Angoumois grain moth, Cadelle beetle.

Common Stored Grain Insect Pests

There are several species of insects that feed on stored grain, resulting in reduced grain quality. Learn how to identify some of the most-common grain pests that can be found in South Dakota.

Crop sprayer and a bottle of chemicals in a yard.

SDSU Extension 2024 private pesticide applicator training dates set

January 12, 2024

South Dakota State University Extension’s 2024 winter and spring private pesticide applicator certification training sessions are set.

The South Dakota Association of Agricultural Extension Professionals present the Friend of the SDAAEP Award to the SD DANR Inspection, Compliance and Remediation employees

SD DANR receives Friend of SD Association of Agricultural Extension Professionals Award

October 27, 2023

South Dakota State University Extension agricultural professionals presented the 2023 Friend of the South Dakota Association of Agricultural Extension Professionals Award to South Dakota Department of Agriculture and Natural Resources employees on Sept. 26 in Pierre.

a picture large purple flowers with yellow centers surrounded by dead leaves and grey landscaping rocks.

Landscaping Best Practices for Pollinators and Beyond

Our yards are all part of a greater ecosystem. By incorporating some best practices into your landscaping routine, your yard can develop healthier soil, support more pollinators, and reduce the need for pest control.

A large orange butterfly with white spots feeding on a pale pink flower in a green grassy area.

Planting for Specialist Butterflies

Monarchs are not the only specialist pollinators in South Dakota. Many other butterflies also require a specific plant or family of plants to lay eggs on. Learn about some important host plants to help specialist butterflies in your yard!

Adult red earthworm, cabbage looper, and brown-belted bumble bee.

The Seen and Unseen World of Invertebrates and Vegetables: The good, the bad, and the cute

The seen and unseen worlds of invertebrates in our gardens offer an opportunity to understand how each organism plays a crucial role in the balance of our environment, whether they are good, bad, or even cute.

a man in a blue shirt with light brown hair and a light beard smiles at the camera

SDSU Extension welcomes new pesticide education specialist

October 12, 2023

South Dakota State University Extension is pleased to welcome Stephen Robertson as a new Pesticide Education Field Specialist.

Yellowjacket feeding on decaying produce.

Yellowjackets: Swarming decaying produce or garbage near you

Fall is rapidly approaching, and if you have a garden, fruit trees, or outdoor dumpsters, you are likely to encounter yellowjackets in search of food. Learn some expert tips to avoid getting stung this fall.

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.