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Patrick Wagner

SDSU Extension Entomology Field Specialist

Also by Patrick Wagner

a handfull of sunflower seeds with small holes in the shells on a white table.

Differentiating Insect Damage to Sunflower Seeds

This publication covers different insect damage characteristics to sunflower seeds.

A reddish-brown Hessian fly with long black legs and beaded antennae resting on a plant.

Hessian Flies in South Dakota

This fact sheet covers the identification, life cycle and management options for Hessian Flies in South Dakota.

Parasitoid wasp with an orange abdomen and dark brown head and thorax.

Wheat Stem Sawfly Parasitoid: Bracon cephi

This fact sheet covers the identification and lifecycle of a parasitoid wasp species in South Dakota that attacks Wheat Stem Sawfly larvae.