Forest Insect & Disease Newsletter

photo collage black spruce swamp gyspy moth firewood witch broom

Winter 2018

Forest health specialist collecting seeds

DNR forest health program staffing changes

Recent updates to the forest health program


winter broom shoots

Puzzle of bur oak dieback narrowed down

More clues to the bur oak twig death we saw this summer.


EAB heading out of it's hole

Emerald ash borer confirmed in two new locations

Emerald ash borer strikes again


needlecast in black spruce

Leaf mining on northern white cedar

Read about a surprising confirmation


needlecast in black spruce

Blood-red aspen wood

Now here’s something you don’t see every day


Blur oak leaf showing symptoms of BOB

Limited bur oak blight in 2018

Bur oaks take a breather from BOB


needlecast in black spruce

Northern Minnesota’s two biggest forest pests remain the same as in 2017

Find out which pests are plaguing us most


pine forest

Archived issues

Browse back issues of Forest Insect and Disease Newsletter from 2015 to present.

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