August Issue of Forest Insect & Disease Newsletter Having trouble viewing this email? View it as a Web page. Forest Insect & Disease Newsletter August, 2019 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