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.
Adam Varenhorst
Associate Professor & SDSU Extension Field Crop Entomologist
Also by Adam Varenhorst
West Nile Virus Update: October 16, 2025
As of October 16, 2025, the South Dakota Department of Health reported 86 human cases of West Nile virus from Aurora, Beadle, Bon Homme, Brookings, Brown, Charles Mix, Clay, Codington, Corson, Douglas, Grant, Gregory, Haakon, Hamlin, Hand, Hughes, Hutchison, Hyde, Lawrence, Lincoln, Marshall, Meade, Miner, Minnehaha, Pennington, Roberts, Sanborn, Spink, Stanley, Todd, Union, Walworth, and Yankton counties.
Feb
11
Private Applicator Training for Crops
SDSU Extension will host a free private applicator training for crops on February 11, 2026, from 1:30 - 4:30 p.m. CT (12:30 - 3:30 p.m. MT). Participants have the option to attend online or at various locations across the state.
Jan
21
Private Applicator Training for Crops
SDSU Extension will host a free private applicator training for crops on January 21, 2026, from 1:30 - 4:30 p.m. CT (12:30 - 3:30 p.m. MT). Participants have the option to attend online or at various locations across the state.