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
Sunflower Pest Recap
During 2026, we will be producing a new weekly update on sunflower insect pest activity. This information will be attained via a sampling network of eight locations that are in central South Dakota.
Planting Date and Early Maturing Hybrids as Alternative Management Options for Red Sunflower Seed Weevil
Planting dates and early maturing hybrids can be use as alternative management options for Red Sunflower Seed Weevils in South Dakota.
Gray Sunflower Seed Weevils
Factsheet on the lifecycle, identification, scouting and management of Gray Sunflower Seed Weevils.