Wisconsin Pest Bulletin, Issue No. 15, August 16

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

Volume 63 Issue No. 15 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:  First significant corn earworm migration recorded this week

FORAGES & GRAINS:  Potato leafhopper levels in alfalfa still below-threshold

CORN: Surveys indicate corn rootworm beetle numbers low for mid-August

SOYBEAN:  Annual soybean aphid survey finds non-economic populations in all fields

FRUITS:  Large summer codling moth flights continue in Wisconsin orchards

VEGETABLES:  UW confirms late blight on potato in Adams and Marquette Cos.

NURSERY & FOREST: Reports on brown rot, tar spot, and hosta foliar nematode

DEGREE DAYS:  Growing degree day accumulations as of August 15, 2018