Older bur oaks dying in forests from multiple stressors
There may be an upward trend of older bur oaks dying in Minnesota. Read more
Bur oak blight starting to show
Bur oak blight will have a heyday in 2019. Read more
Do your trees have oak wilt?
How to tell the difference between the nonnative oak wilt and the native twolined chestnut borer. Read more
Jack pine budworm populations at rock bottom in north-central Minnesota
You probably don't need to worry about jack pine budworm in 2019. Read more
Bumps, bladders, and growths: galls on leaves and branches
Want to know more about the galls growing on your trees? Read more
Leaf mining in birch trees
Leaf mining business is booming. Read more
Spruce budworm damage continues
Steady as the spruce budworm goes. Read more
Name that creature!
What is that? Read more
Browse back issues of Forest Insect and Disease Newsletter from 2017 to present.