Extension Articles
2025
"Common stalk borer damage in Bt corn fields" | Crop News
Yucheng Wang, University of Minnesota, Entomology, Postdoc Researcher; Tatum Dwyer, University of Minnesota, Entomology, Graduate student; Fei Yang, University of Minnesota, Extension Entomologist
"Corn leafhopper detected again in Minnesota in 2025" | Crop News
Yucheng Wang, University of Minnesota, Entomology, Postdoc Researcher; Dean Malvick, University of Minnesota, Extension Plant Pathologist; Crystal Floyd, University of Minnesota, Plant Pathology Researcher ; Fei Yang, University of Minnesota, Extension Entomologist
"Field Notes: Insect updates and management considerations" | Crop News
Claire LaCanne, Extension Educator - crops, Bob Koch, Extension Soybean Entomologist, Fei Yang, Extension Corn Entomologist
"Northern corn rootworm extended diapause problems in Minnesota in 2025" | Crop News
Dr. Fei Yang, University of Minnesota, Extension Corn Entomologist, and Dr. Yucheng Wang, University of Minnesota, Research Associate
"Corn rootworm eggs hatching in Minnesota" | Crop News
Dr. Fei Yang, University of Minnesota, Extension corn entomologist, and Dr. Yucheng Wang, University of Minnesota, Research Specialist
2024
"First detection of corn leafhopper in Minnesota in 2024" | Crop News
Yucheng Wang, Research Associate, Department of Entomology, and Fei Yang, Extension entomologist
"Scouting for corn rootworm" | Crop News
David Wangila, University of Minnesota Dept. of Entomology, Postdoctoral Researcher
Fei Yang, University of Minnesota Extension corn entomologist
"Field Notes session talks insect management considerations for soggy fields" | Crop News
Angie Peltier, UMN Extension crops educator; Fei Yang, UMN Extension corn entomologist; Bruce Potter, UMN Extension IPM specialist; and Robert Koch, UMN Extension soybean entomologist
"Reducing Bt trait acres in 2024 Minnesota Corn Production? Implications for European corn borer" | Crop News
Anthony Hanson, IPM Extension Educator; Fei Yang & Bill Hutchsion, Extension Entomologists, Bruce Potter, Extension IPM Specialist; Angie Peltier, Ryan Miller, & Liz Stahl, Crops Extension Educators
"Strategic Farming: Let's talk crops focused on corn insect pests" | Crop News
Liz Stahl, Extension educator – crops and Fei Yang, Extension corn entomologist