Forest Insect & Disease Newsletter

photo collage black spruce swamp gyspy moth firewood witch broom

Spring 2018

gypsy moth caterpillars

Cold temperatures not a cure-all for pests

Will cold winters kill insect pests?"
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winter broom shoots

Tips to Know your Winter Brooms

Witch broom is which? Find out how to tell them apart
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needlecast in black spruce

Needlecast on stressed black spruce not uncommon

Needlecast disease on black spruce? Who knew?"
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range map of black walnut

Thousand Cankers Disease Update

Questions remain about the impact of thousand cankers disease of walnut.
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firewood by fire ring

DNR Launches New Firewood Program

"New" firewood program simplifies DNR regulations.
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pine forest

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