News
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Michigan spotted wing Drosophila report for August 12, 2014
Published on August 13, 2014
Spotted wing Drosophila numbers continue to rise across the monitoring network. Protect susceptible crops where they are detected. -
Walnut anthracnose is putting an early end to many leaves
Published on August 13, 2014
Yellow, spotted leaves are falling from walnut trees due to the annual visit of this fungal disease known as walnut anthracnose. -
Vineyard IPM scouting report for August 11, 2014
Published on August 12, 2014
Third generation grape berry moth egglaying is predicted to begin this week. Powdery mildew and downy mildew problems are increasing in some vineyards. -
Is switchgrass a host for Japanese beetle and spotted wing Drosophila?
Published on August 12, 2014
Research is being conducted to determine if switchgrass is a vector and host for common insect pests and crop diseases in cropping systems. -
Potato late blight update and recommendations for mid-late 2014 season
Published on August 12, 2014
Michigan potato growers should continue scouting for late blight on a weekly basis, and treat fields aggressively in areas where late blight has been reported. -
The rise and fall of the fall webworm
Published on August 11, 2014
It’s August and time for the annual visit of this generally harmless showstopper known as the fall webworm. -
Spruce spider mites found in Douglas firs
Published on August 8, 2014
Spruce spider mites are being found on Douglas fir, a species typically not infested with this mite. Check all Christmas tree species and consider that mild temperatures this summer may lead to mite populations building earlier than usual going into fall. -
Michigan spotted wing Drosophila report for August 6, 2014
Published on August 7, 2014
Spotted wing Drosophila numbers are up from last week and are now being detected statewide. Protect susceptible crops where SWD is detected. -
Michigan brown marmorated stink bug report for August 7, 2014
Published on August 7, 2014
We caught one brown marmorated stink bug this week in a trap next to a peach orchard near Niles, Michigan and four in sweep netting of vegetation from sites next to field crops in Lenawee County. -
Summer sawflies may be active in conifers
Published on August 7, 2014
Missing or browning foliage of conifers in the early summer may be the first signs of a sawfly infestation.