Wisconsin Pest Bulletin, Issue No. 9, June 28

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

Volume 63 Issue No. 9 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:   Spotted wing drosophila populations surging

FORAGES & GRAINS:  Potato leafhopper counts below-threshold in alfalfa

CORN:  Annual western bean cutworm flight underway

SOYBEAN:  Surveys continue to find very soybean aphid counts

FRUITS:  Apple maggot flies appearing on sticky traps

VEGETABLES:  Four-lined plant bugs causing problems for gardeners

NURSERY & FOREST: Ribes anthracnose and rose chafer found in WI nurseries this week

DEGREE DAYS:  Growing degree day accumulations as of June 27, 2018