News
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Maple petiole borer causing leaf drop in maple trees
Published on May 31, 2012
Late spring leaf drop was caused by an unpredictable pest called the maple petiole borer. -
Carpenter bees: destructive home invader
Published on May 18, 2012
Carpenter bees are a beneficial pollinator, but can also be destructive. -
Eastern tent caterpillar outbreaks patchy and localized
Published on May 18, 2012
Silky tents, defoliation of infested trees and wandering caterpillars could mean you’re in a hotspot for eastern tent caterpillars. -
Serpentine mines in columbine leaves caused by a leafminer
Published on May 18, 2012
Spring damage to columbine leaves caused by columbine leafminers should be finished by June 1, so start planning now for next year. -
Does your Mugho pine look like a poodle?
Published on May 18, 2012
Watch out for European sawfly larvae feeding on older needles of pine trees, including Mugho pines. -
European crane fly damage appearing now in Grand Rapids
Published on May 14, 2012
European crane fly damage to lawns and golf courses is appearing now. To be better prepared, here are pictures of European crane fly larvae, adults, and turf damage. -
Now is the time to pull garlic mustard, one of Michigan’s most invasive weeds
Published on May 2, 2012
Garlic mustard’s rapid growth will give it a leg up on seed production for next year. Don’t hesitate to pull it out or get creative and make a salad! -
European pine sawflies will soon be here
Published on May 1, 2012
May is the month to monitor for European pine sawflies in pines. -
Turf damage from grubs and skunks is coming to an end for this spring
Published on April 27, 2012
European chafer and Japanese beetle grub damage is starting to slow down. Those in southern Michigan should wait until July to apply an insecticide, as grubs are done eating. -
Be on the lookout for a new plant disease, boxwood blight
Published on April 26, 2012
A new disease of boxwood named boxwood blight (Claonectria pseudonaviculata or Cylindrocladium buxicola) has been detected in parts of the eastern United States. A new MSU Extension factsheet helps identify the symptoms of this serious plant problem.