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Adam Varenhorst

Associate Professor & SDSU Extension Field Crop Entomologist

605-688-6854

Berg Agricultural Hall 226
Box 2100A
Brookings, SD 57007

As the SDSU Extension Field Crop Entomologist Adam serves South Dakota stakeholders by addressing insect pest issues in field crops. He conducts applied research that focuses on corn, soybean, wheat and sunflower. Additionally, he assists the other extension entomologists to address questions pertaining to insect questions for the home and garden, urban insect pests and general entomology questions.

State & Regional Offices

SDSU Campus
Also by Adam Varenhorst
A brown spider with black markings resting on top of wooden baseboard along a wall.

Spider-Proofing Your Home This Fall

During fall, spiders often try to find safe places to escape the cooler weather. Unsurprisingly, a warm cozy home is often high on their list. Thankfully, there are some simple steps you can take to help prevent spiders, and other arthropods, from invading your home.

Small weevil covered in dense reddish-orange hairs sitting on a green leaf.

Trap Cropping as an Alternative Management Option for Red Sunflower Seed Weevils in the Dakotas

Learn how trap cropping can be used as an alternative management option for red sunflower seed weevils.

Grain storage bin.

Steps to Prevent Stored Grain Infestations

As fall harvest is approaching it is important to ensure that grain bins are prepared in the best possible manner to prevent insect infestations.