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Patrick Wagner

SDSU Extension Entomology Field Specialist

Also by Patrick Wagner

Veterinarian and horse owner inspecting a horse.

Winter Ticks Showing Up on Horses

Ticks aren’t only active during the growing season in South Dakota. Winter ticks can be commonly found on horses and cattle. Learn some expert tips for identifying and managing them before they become a problem.

Dark brown tick with a white shield behind the head.

An identification guide for Arthropods of Human Health Concern in South Dakota

Pictorial guide for arthropods of human health concern in South Dakota

Red-brown colored weevil with bent antennae originating on the elongated mouthparts.

Planting Date May Be Our Most Powerful Tool for Red Sunflower Seed Weevil Management

In the last few years, red sunflower seed weevils have been the most economically damaging insect pest in South Dakota. To identify alternative management options, researchers at SDSU and the USDA-ARS lab in Fargo, ND conducted a study evaluating early planting dates as a potential strategy to reduce red sunflower seed weevil infestations.