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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 hairy, wingless fly that is reddish-brown in color.

Sheep Keds in South Dakota

Factsheet covering the lifecycle, identification and management options for Sheep Keds in South Dakota.

Small beetle with elongated black snout. Beetle is red-orange in color.

Management of Pyrethroid-resistant Red Sunflower Seed Weevils

Factsheet on the management strategies of Pyrethroid-resistant Red Sunflower Seed Weevils.

Ants on a sidewalk next to some green grass.

Ants Preparing for Another Busy Year

A wet growing season last year combined with a mild winter has boosted ant activity across the state, and we have already received numerous questions from both curious and concerned residents in South Dakota.