Wisconsin Pest Bulletin, May 23, 2019

Krista Hamilton, Entomologist, Wisconsin Department of Agriculture, Trade and Consumer Protection

Volume 64 Issue No. 04 of the Wisconsin Pest Bulletin is now available at:


  • LOOKING AHEAD:  Peak black cutworm damage window opening this weekend
  • FORAGES & GRAINS:  Alfalfa weevil larvae appearing in sweep nets
  • CORN:  True armyworm moths continue to arrive in Wisconsin
  • SOYBEAN:  Low risk of bean leaf beetle defoliation for emerging soybeans
  • FRUITS:  Codling moth spring biofix and plum curculio migration expected next week
  • VEGETABLES:  Seedcorn maggot ‘fly-free’ period beginning soon
  • NURSERY & FOREST:  Root rots and powdery mildew prevalent due to wet weather
  • DEGREE DAYS:  Growing degree day accumulations as of May 22, 2019

This post originates at the Wisconsin Pest Bulletin website.