Wisconsin Pest Bulletin 5/18/2018

Krista Hamilton, Entomologist — Bureau of Plant Industry/Division of Agricultural Resource Management, Wisconsin Department of Agriculture, Trade and Consumer Protection

Volume 63 Issue No. 3 of the Wisconsin Pest Bulletin is now available at:

I N S I D E  T H I S  I S S U E

LOOKING AHEAD:   More “significant” black cutworm captures recorded this week

FORAGES & GRAINS:  Alfalfa weevil larvae appearing in alfalfa

CORN:  First European corn borer moths could emerge next week

FRUITS: Codling moth biofix expected soon in southern WI orchards

VEGETABLES:  First emergence of onion maggot flies predicted for May 19-20

NURSERY & FOREST: Macrophoma leaf spot on boxwood and other nursery reports

DEGREE DAYS:  Growing degree day accumulations as of May 16, 2018