Forest tent caterpillar populations high in small localized areas

Linda Williams, forest health specialist, Woodruff, Linda.Williams@wisconsin.gov, 920-360-0665

Forest tent caterpillar (FTC) is a native insect with periodic outbreaks. Reports of high populations have been coming in this spring from the towns of Nokomis, Three Lakes and Sugar Camp in Oneida County. There is some defoliation in these areas, but the geographic extent of damage is still limited. When looking for caterpillars in northeastern Wisconsin, it was not difficult to find at least one or two of them, which is an increase from past years when it was difficult to find any caterpillars at all.

Close-up photo of forest tent caterpillar shows the insect's unique "footprint" design that runs along the top of its back.

Forest tent caterpillars go through several instars, or growth stages. Colors vary between stages but all have the cream-colored “boot prints” down their backs.

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Reddish oak leaves not a cause for concern

Linda Williams, forest health specialist, Woodruff, Linda.Williams@wisconsin.gov, 920-360-0665 

Have you noticed any oaks looking kind of red this spring? Or maybe you’ve noticed that the leaves at the tips of the branches are looking red or maroon? 

Some oak leaves look red from a distance, likely due to a prolonged cool spring.

From a distance some oaks have a red hue, probably due to a prolonged and cool spring.

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Basswood leaves defoliated and trees looking thin

Linda Williams, forest health specialist, Woodruff, Linda.Williams@wisconsin.gov, 920-360-0665 

Basswood trees in Forest, Marinette and Oconto counties are looking very poor this year. The leaves are damaged, misshapen or completely missing. Several things seem to be happening, but the worst offenders seem to be a late frost/freeze and a suspected infestation by introduced basswood thrips.

Evidence of basswood thrips on a single leaf; some defoliation and dieback.

Evidence of suspected basswood thrips infestation in early spring.

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$175,000 additional Urban Forestry Grant funding available for EAB – Ash Tree Removals and Replacements

Credit: Leah Bauer, USDA Forest Service Northern Research Station, Bugwood.org

The WDNR received $175,000 from the USDA Forest Service, Forest Health & Resilience funds, to assist communities in response to the catastrophic loss of urban tree canopy due to EAB.  The $175,000 will be administered through the competitive State Urban Forestry Grants program and sub-awarded to cities, villages, towns, counties, tribes and 501(c)(3) nonprofit organizations.  Projects funded with the Forest Health & Resilience funds will focus on EAB response on public lands, including ash tree removals and replacements.  EAB treatment will not be funded with these dollars.  These projects will further the Forest Service National Priorities to ‘protect forests from threats’ and ‘enhance public benefits from trees and forests’, and make Wisconsin communities safer, healthier and happier places to live, work and play.

2021 DNR Urban Forestry Grant Application opening soon

Cities, villages, towns, counties, tribes and 501(c)(3) nonprofit organizations in or conducting their project in Wisconsin are encouraged to apply for a regular or startup 2021 Department of Natural Resources Urban Forestry Grant! The grants range from $1,000 to $25,000, and grant recipients must match each grant dollar for dollar. A startup grant of up to $5,000 is available for communities that want to start or restart a community forestry program. Grants are awarded to projects that align with state and national goals for increasing the urban forest canopy and the benefits it provides. Also available this grant cycle is an additional $175,000.00 federal funding to be used for ash tree removals and replacements. EAB treatment will not be funded with these additional monies. Applications can be submitted starting July 1, 2020 until October 1, 2020.

To view the application and apply visit the Urban Forestry Grants website. If you have questions regarding application process and eligible projects contact your DNR Urban Forestry Coordinator.

Arbor Day 2020: Celebrating trees in a time of social distancing

Many Wisconsin communities found creative and resourceful ways to celebrate Arbor Day this year. These celebrations included drive-through tree giveaways, videos, art contests, games and puzzles, self-guided tree walks, small in-person celebrations and tree planting following social distancing guidelines, and more! Here is a sampling of the Arbor Day events that took place in Wisconsin this spring:

Adams: The city of Adams held a celebration on April 16th. Mayor Roberta Pantaleo read the Arbor Day Proclamation, and City Forester Joel Fell and another public works employee planted two trees in Burt Morris Park and four trees along boulevards.

Cedarburg: Please follow this link to read how Cedarburg Green celebrated its Year of the Tree despite Covid-19.

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Cedarburg Green celebrates Year of the Tree despite Covid-19

By Jeanne Mueller, Cedarburg Green

“2020 is the year to focus on trees” read the headline in Cedarburg’s local newspaper. In January, a proclamation signed by Cedarburg’s mayor kicked off Cedarburg Green’s yearlong, multi-faceted promotion of trees. Cedarburg Green’s first success, a community talk on “Selecting the Right Trees for your Yard”, exceeded attendance expectations by over 225%. Interest in trees at this standing-room-only, inaugural event, held on February 24, seemed to be setting the stage for great things to come. Another hopeful sign was the mounting orders for trees being received as part of the organization’s annual bare-root tree sale.

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Upcoming webinars

Check out the six upcoming webinars/webinar series listed below. Especially during this time of social distancing, webinars are a great training opportunity. Some of them even offer ISA CEUs when watched live (recordings of past webinars are also available but do not offer CEUs).

Click on the links below to learn more and to register in advance. Space may be limited.

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Outdoor Hazards in Wisconsin: A Guide to Insects, Plants, and Wildlife

Published by UW-Madison, Division of Extension, this guide will help you recognize, avoid, and handle potential problems caused by wildlife, insects, or plants.

Contents:

  • Amphibians (salamanders, toads)
  • Reptiles (turtles, snakes)
  • Birds (defending territory, handling birds)
  • Mammals (short-tailed shrews, bats, skunks, porcupines, coyotes, gray wolves, deer, black bears)
  • Stinging insects (bees and wasps)
  • Blood-feeding insects (mosquitoes, deerflies and horseflies, blackflies, biting midges, ticks, chiggers)

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DNR hosting June 16th wood products webinar

The DNR Forest Products Service Team will host a webinar titled “Wood: Sustainably Grown, Locally Available on June 16, 2020. This webinar is intended to promote the diverse application of Wisconsin’s oldest grown, locally available, and environmentally friendly material—wood. Architects, designers, consumers and anyone interested in learning about Wisconsin wood products should consider attending.

Following these two presentations, there will be time for questions with the presenters:

  • A New Age of Wood: New Products Create New Opportunities by Jim Bowyer, Professor Emeritus, University of Minnesota Department of Bioproducts and Biosystems Engineering, and a specialist in wood-based bio-products and environmental life-cycle assessment.
  • Wisconsin Wood Resources and Wood Products by Scott Bowe, Professor and Wood Products Specialist, University of Wisconsin-Madison.  

Event Date: June 16, 2020

Time: 10:30 a.m. Central Time (US and Canada)

Registration: Please register in advance for this meeting using following link:
https://uwextension.zoom.us/meeting/register/tJwkfuqtrToqH9T3xTpRI8qg1jGc7BsShW0H