By Bill McNee, forest health specialist, Oshkosh, bill.mcnee@wisconsin.gov, 920-360-0942
The summer of 2020 saw a major rebound of the gypsy moth population after several years of weather conditions that were unfavorable for the non-native, defoliating pest. A mild winter and average summer temperatures/precipitation during the caterpillar stage were all favorable for a population increase.

Female moth laying eggs on tree trunk.
Continue reading “Gypsy moth populations rebound in 2020 – look for egg masses this fall”

We want to give you a heads-up and urge you to fill out a survey that may be coming your way.
After much deliberation, WI DNR Urban Forestry has decided to postpone the Community Tree Management Institute (CTMI) for one year. The health and safety of others is paramount. Due to the pandemic, it’s just not feasible to come together in person for this training. Group interaction and networking are an integral part of the CTMI experience, so we will look forward to coming together in the fall of 2021 with the start of the next CTMI class (exact dates to be determined). 
As the hilarious, award-winning
This year, as families all over the country spend more time at home, we have been given the opportunity to appreciate the fresh air that we can enjoy on our own back porches and front stoops more than ever. Trees are a significant factor contributing to the quality of the air we breathe. 