Wisconsin Pest Bulletin 7-21-16

Krista Hamilton, Entomologist, WI Dept of Agriculture, Trade and Consumer Protection

Volume 61 Issue No. 12 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:  Peak flight of western bean cutworm moths underway
FORAGES & GRAINS:  Potato leafhopper counts still low for late July
CORN:  True armyworm larvae appearing in alfalfa and corn
SOYBEAN:  Soybean aphid densities well below 250 aphid-per-plant threshold
FRUITS: Marked increase in SWD trap counts noted in the last two weeks
VEGETABLES:  Onion downy mildew confirmed by UW in Rock County
NURSERY & FOREST: Observations from this week’s nursery inspections
DEGREE DAYS:  Growing degree day accumulations as of July 20, 2016