Archive for the ‘Invasive Pests’ Category

Pesky Little Bugs

Every year is the same thing. Brown bugs covering garages, getting inside sheds and houses, and making their way into window frames. It seems like an invasion in certain parts of the country.

Here in Michigan, we have no shortage of invasive brown marmorated stink bugs. Fortunately, they haven’t reached plague proportions, but they are still a nuisance. And thanks to the citizen scientists across the state, we now have a good idea of where they are! Thanks to regular residents reporting sightings, Michigan State University Extension has a better idea of the population of brown marmorated stink bugs and how they are distributed.

But there’s still more work to be done.

Most of the reports came from the southern part of the Lower Peninsula. That makes sense since that’s where most of the people are. So if you live (or visit) the Upper Peninsula or the northern Lower Peninsula, we still need your data! Read the article below to find out how.

 

Why and how to report sightings of brown marmorated stink bugs in your home or business

September 2017 update on why and how to report sightings of brown marmorated stink bugs to the Midwest Invasive Species Information Network.

Posted on September 18, 2017 by Julianna Wilson, Michigan State University Extension, Department of Entomology

Adult brown marmorated stink bugs like to move into homes in the fall to take shelter for the winter. They are harmless to humans and pets, but are on the verge of being an important pest in fruit and vegetable crops in Michigan. Photo by Jim Engelsma.

Adult brown marmorated stink bugs like to move into homes in the fall to take shelter for the winter. They are harmless to humans and pets, but are on the verge of being an important pest in fruit and vegetable crops in Michigan. Photo by Jim Engelsma.

When we first published this article in September 2015, we knew very little about where the brown marmorated stink bug (BMSB) would be found in Michigan. Now, thanks to the eager reporting by many hundreds of people who saw that first article, we now know it is well-established across most of the southern half of the Lower Peninsula (see map below). If you live outside of this area, especially in the northern half of the Lower Peninsula or in the Upper Peninsula, and would like to submit a report, please follow the instructions below. Otherwise, please check out the resources at the end of this article for more information on what BMSB is, what it is doing in homes and what to do about it.

What is the brown marmorated stink bug (BMSB)?

The brown marmorated stink bug (BMSB) is a 0.5- by 0.625-inch shield-shaped insect that uses its piercing mouthparts to suck plant juices from fruits, seed pods and nuts on a wide variety of wild and cultivated plants. It was accidentally brought to North America from Asia sometime before 1996 and was first detected in Michigan in 2010. Also known by its scientific name, Halyomorpha halys, BMSB adults and nymphs – the immature stages of the bug – feed on a number of important fruit, vegetable and ornamental crops. Where it has been established for some time, it is now a major pest for growers of susceptible crops.

BMSB body parts

Brown marmorated stink bugs have dark and light banding along the margin of the insect’s body and white bands on its antennae and legs. Photo by Jeff Wildonger, USDA ARS BIIR

Part of the pattern of establishment by this pest is that it starts out as a nuisance pest in homes and businesses and then a few years later it becomes an important agricultural pest for neighboring growers. At this time of year in their native habitat, BMSB would normally look for shelter in south facing rocky outcroppings and other protected areas. The perfect surrogate turns out to be south-facing walls of man-made structures. It is important to note that BMSB do not bite humans or their pets – they are strictly plant-feeding insects. Also, they do not nest or reproduce in homes, they are simply finding a place to take shelter from the cold and will atempt to find their way out again when spring returns.

For information on how to prevent or get rid of this pest in your home, plus how to distinguish it from other common insects that are occasional home invaders, see this tip sheet from Michigan State University Extension: “The Brown Marmorated Stink Bug (BMSB): Information for Michigan Residents on a New Home Invader.”

Who should report seeing BMSB?

If you or someone you know has seen this pest in or on the outside of your home or place of business, and you are outside of the area in which we now know it is well-established in Michigan (see map below), we want to hear from you! Go to the Midwest Invasive Species Information Network (MISIN) website or mobile app, register as a user (it’s free) and follow the instructions for submitting a report. A few minutes of your time can be incredibly helpful in officially cataloging and tracking this invasive pest.

The MISIN website and the app are free to use – you simply register and log in, verify you do indeed have BMSB (by either comparing the bug or bugs you see with the photo in this article, by looking at the Species Factsheet provided by MISIN for BMSB or downloading the new tip sheet on brown marmorated stink bugs for homeowners), and then report the sighting or sightings. Users can also submit up to two images with every report if they are uncertain as to whether what they are seeing is BMSB. By reporting sightings of this pest, you will be helping growers in your area prepare for this pest by identifying potential new hotspots.

If you have trouble registering with MISIN and would like to report a sighting, email Julianna Wilson at jkwilson@msu.edu with your nameaddress (or nearest crossroads), the date you saw them and how many you have seen. Again, if you have already reported from a particular address or live within the area where we know BMSB is well-established (see map below), we do not need to hear from you. Thank you!

BMSB 2017 Map

View larger image. As of September 2017, more than 12,000 reports have been submitted to MISIN from all but five Michigan counties. From these reports, we know BMSB is well-established in counties colored in red (darkest color), and we do not need any more reports if you see BMSB in these areas. Outside of the counties in red, we are interested in hearing where BMSB is being found. Reports should be submitted through the MISIN website.

Where to find more information about BMSB

 

*Original Article Published HERE.

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USDA Warns About Asian Longhorned Beetle

USDA warns about invasive Asian Longhorned Beetle

The US Department of Agriculture is asking residents along the Great Lakes corridor and beyond to watch out for an invader- the Asian Longhorned Beetle.

 

 

 

The bug is definitely creepy. It has long antennas with white stripes.  And a black glossy exterior with asymmetrical white spots. It can fly, but it doesn’t like to, said Andrea Locke the coordinator for WNY Prism, the organization was hosting the invasive clean up.

“This particular bug, it’s impressive. It’s a large bug. It’s about an inch to an inch and a half in size if folks see it they’re going to notice. It’s just a matter of connecting that noticing the bug and understanding that this is something that people need to report,” Locke said.

Essentially, the insect eats the tree from inside out. It burrows deep inside and lays eggs. The larva grows into an adult. It emerges leaving an exit hole. Its damage trees can’t usually recover from.

But, what does the damage look like?

You might see dime sized holes in the trunk or branches. Sometimes you’ll see tunneling marks. There’ll also be a sawdust like material on the ground.

“The Asian Longhorned Beetle is one of the most destructive forest pests that could have entered the United States,” said Rhonda Santos of the USDA.

The organization is trying to eliminate the bug. They inspect and remove infested trees. They also set up quarantine areas.  So far, the bug has led to the loss of more than 160,000 trees across the nation.

It was first detected in the US, in 1996. Experts believe it came from wooden packing material, used in cargo shipments from China.

“When we find an Asian Longhorned Beetle infestation it usually takes at least 10 years to be able to eliminate the beetle from that area. That goes back to finding every infested tree, removing it and, continuing to search the remaining trees, to make sure the beetle is not there,” she said.

The bug was eliminated from areas in Illinois and New Jersey. There are still active infestations in Ohio, Massachusetts, New York and Canada. This summer, the quarantine in southwest Ohio was expanded. Santos says they were proactively searching about a mile outside the zone and found a bug.

“There’s a concern that this insect can be where we don’t know it to be already. And certainly for the Great Lakes region, where you have so many trees,” Santos said. “Particularly, in the northern border of the US, those trees go right into Canada and because we have so many trees, that’s a greater risk that this pest could go after those trees in that area.”

Report findings at https://www.aphis.usda.gov/aphis/home/

http://asian-longhorned-beetle.com/

 

Original article published on Great Lakes Echo.

Invasive Alert: Chinese Tallow Tree

tallowtree-fruitjpg-705a703f8770e9b6

The state of Alabama doesn’t worry too much about invasive plants like privet or kudzu, which have seemed to take over much of the south. No, the one botanists fear is the Chinese tallow tree.

Also known as the popcorn tree for the white, waxy tallow substance on its fruit that kind of looks like popcorn, this tree is so invasive in Alabama that they have taken to fighting it from the air.

So why should Michigan be concerned?

The U.S. Forest Service has data that shows the tree’s population has grown 500% between 1991 and 2005.

The tree thrives in wetland environments, but is not limited to them. The tree can grow in suburban areas, forest edges, and even sand dunes. It is still a popular ornamental tree in residential neighborhoods for its bright red fall color.

Yet once established this tree spreads quick. One mature Chinese tallow can produce 100,000 seeds every year. Those seeds are spread by birds and other animals, as well as flood waters. And the seeds can stay dormant for years before sprouting.

In addition to seeds, Chinese tallow has an extensive root system, with new shoots sprouting along it. These two things combined mean tallow can grow in clusters so thick that it drowns out all other native plants.

And it’s not that far away. According to a map from the University of Georgia’s Center for Invasive Species and Ecosystem Health, the plant was found in a county in southern Wisconsin as of July 2017.

The moral of this story?

Keep an eye out for plants that look unusual to you. It may be something that doesn’t belong. Learn from Alabama’s experience. If you find something you’re not sure of, check out the Midwest Invasive Species Information Network and report it if it’s invasive.

Be wary of what you purchase at a nursery or your local home supply store garden center. Make sure that it’s native to Michigan and you aren’t becoming the source of a new infestation of an invasive plant.

Read more about Chinese tallow tree below.

 

Alabama fears this invasive plant so much we attacked it from the air

Posted July 31, 2017, News from Al.com

Dennis Pillion | dpillion@al.com

When talking about invasive plants in Alabama, kudzu and privet tend to be the ones people are most familiar with, but they’re not the ones Alabama botanists and wildlife officials are most worried about.

One of those is the Chinese tallow tree, or popcorn tree, one of Alabama’s most invasive species.

alboe_Page_10_Image_0001.jpg

Watch Out for Wild Parsnip

Invasive plants and animals are typically only a threat to other plants and animals, but occasionally they can be a danger to us as well.

While giant hogweed is on the watch list in Michigan as a new invasive species, wild parsnip is becoming more common, especially in the northern parts of Michigan and the Upper Peninsula.

And while it’s looks similar to other members of the wild carrot family, this is one plant you definitely don’t want to mess with. Contact with its juices can cause rashes, blisters, and burns. The skin discoloration can last for years.

The article below has more details about wild parsnip. You can also get good identification information here.

Watch Out for Wild Parsnip

Originally published: July 19, 2016

U.S. Forest Service, Hiawatha National Forest

Flowering Yellow umbel of Wild ParsnipGladstone, MI — Wild Parsnip, also known as Pastinaca sativa, is an herbaceous perennial with yellow-flowered umbels atop 3- to 5-foot tall stems.  While it may be pretty to look at, people who touch the plant soon discover its less appealing trait:  When the juices of the Wild Parsnip plant touch your skin and are exposed to ultra-violet light, they cause serious rashes, burns and blisters called “phytophotodermatitis.” The resulting skin discoloration can last several months. If you come in contact with Wild Parsnip and notice development of burns, cover the affected area with a cool, wet cloth and seek medical attention.

Wild Parsnip’s toxic compounds (called furanocoumarins) are found in the juices of its leaves, stems, flowers, and even fruits. Phytophotodermatitis will usually appear within 24 to 48 hours and is painful.  In many cases, the blisters will lead to brownish pigmentation that can last for years.

According to Hiawatha National Forest’s East Zone Botanist, Stephanie Blumer, this invasive plant has become increasingly common across the Upper Peninsula.

“The key for outdoors enthusiasts,” she said, “is to learn to recognize this plant so that when you see it, you can avoid it.”

How can you recognize Wild Parsnip?  While it looks similar to several other carrot family plants, the flowers of Wild Parsnip are yellow and the stem is smooth and green with very few hairs. Its leaves are long, saw toothed, pinnately compound and form a basal rosette during the first year. The leaves are further divided into leaflets that grow across from each other along the stem, with 2 to 5 pairs of opposite leaflets. In its second year from June until mid-July, and sometimes even through late summer, the plant flowers. Its flowers are small and yellow with five petals and there are hundreds per plant. The flowers are arranged in 2-6 inch wide umbels at the tops of stems and branches, and there are usually no bracts, and very small or non-existent sepals at the base of the flowers.

“As Wild Parsnip spreads, more people are coming into contact with it,”” said Deb LeBlanc, West Zone Plant Ecologist for the Hiawatha. She added that individuals who will be working, hiking, or involved in other activities around the plant can reduce the risk of exposure by wearing long-sleeved shirts, gloves, and long pants.

What are your chances of encountering Wild Parsnip?  While it originates from Eurasia, Wild Parsnip has become a common invasive plant in U.P roadsides, ditches, and other disturbed open areas.  Believed to have been introduced to North America by early European settlers who grew it as a tap root; the wild populations are thought to be a result of escaped cultivated plants. Wild Parsnip is a plant that inhabits various growing conditions such as dry, moist, and even wet-mesic prairies, oak-openings, and calcareous fens.

Once it invades open ranges, it begins to take over in waves and spreads rapidly, especially in disturbed areas. This invasive plant is spread through the distribution of its seeds that are carried by the wind, vehicles, equipment, and water. The seeds themselves, are typically large, slightly yellow, ribbed, flat, and round. It is around September through November that the plant will produce its seed and being a monocarpic perennial, once the plant seeds, it will die. However, the seeds can remain viable in the soil for up to four years, thus adding to the difficulties of eradicating the plants existence.

“Wild parsnip has been designated as a State Noxious weed in approximately 35 states. “Besides the obvious health risk, the plant is problematic due to its ecologically invasive habit,”” said LeBlanc.

For further information on Wild Parsnip contact your local Forest Service botanist at 906-387-2512 extension 20 or 906-643-7900.

Gypsy Moth Attacking Michigan Trees…Again

Ugh, they’re back! Or maybe it’s more accurate to say they never left.

Gypsy moth has been a pest to Michigan trees for decades, ever since it was introduced to the state in 1954. While the invasive pest has never been eliminated, some years seem to be worse than others? This year seems to be particularly bad. Why? One word: drought.

Read the below article by Michigan State University Extension to find out how drought can cause booms in gypsy moth populations.

 

Gypsy moth caterpillars once again attacking trees in Michigan

Large numbers of gypsy moth caterpillars strip trees in Mid-Michigan as drought hampers fungal controls.

Barrier band for gypsy moth larva control. Photo by Pennsylvania Department of Conservation and Natural Resources - Forestry, Bugwood.org.

Barrier band for gypsy moth larva control. Photo by Pennsylvania Department of Conservation and Natural Resources – Forestry, Bugwood.org.

 

They are back! A Clinton County resident contacted the Michigan State University Extension Lawn and Garden Hotline to report heavy caterpillar feeding in maples, pines and apple trees. A few trees had lost much of their foliage. A photo of the caterpillars confirmed it is gypsy moth, Lymantria dispar. For Michigan residents that have dealt with gypsy moths in the past, it is an unwelcome sight but one that is not unexpected.

Twenty to 30 years ago, gypsy moth was a plague across Michigan, defoliating thousands of acres of trees each year. Without many natural controls, it wreaked havoc on oaks, pines, maples, birches, apples and many other species. In 1989, a fungal pathogen was found killing off large populations of gypsy moth caterpillars in Northeastern states. This fungus was identified as Entomophaga maimaiga, a natural biological control of gypsy moth in Japan.

Brought to Michigan in 1991, E. maimaiga quickly became a key factor in suppressing gypsy moth across the state. Naturally occurring in soils, it spreads to young caterpillars as they move from tree to tree. Caterpillars begin to die as the fungus grows inside them. The spores from these dying and dead caterpillars spreads by wind infecting other caterpillars. As the season progresses, large infected gypsy moth caterpillars are found dying on tree trunks. Dead caterpillars remain attached to trunks and branches, hanging straight down. E. maimaiga is so effective that areas of the state often go for years without any noticeable damage from this ferocious defoliator.

So why are gypsy moths back in large numbers and feeding on trees? Drought! The fungus cannot effectively reproduce during times of drought. A year ago much of Michigan was in a serious drought from spring to early summer.  This is the time the fungus is dependent on moisture for its development and of course it is also the time gypsy moth caterpillars begin to feed on trees. Callers to the MSU Extension state hotline in 2016 confirmed that more caterpillars were feeding on trees across southern Michigan. Without consistent moisture in the spring, more gypsy moth caterpillars survived into the moth stage to produce larger numbers of egg masses. It was not unexpected to see growing populations of gypsy moth caterpillars this year.

gypsy moth larva

Gypsy moth caterpillar. Photo by Bill McNee, Wisconsin Dept of Natural Resources, Bugwood.org.

 

Drought is the weak link for the Entomophaga maimaiga fungus and in years when this occurs gypsy moth populations begin to grow and impact landscapes and forests. Spring droughts in 2007 and 2012 led to higher population of gypsy moth the following years. The good news is that in most years we do have adequate rainfall in the spring. Many areas in southern and mid-Michigan had consistent rain this past May, allowing for good development of the fungal pathogen.

Inspect plants now for gypsy moth caterpillars and damage. Trees that lose a large percentage of leaves to gypsy moth feeding can become stressed as energy reserves are used to produce a second set of leaves. Conifers may be permanently damaged if totally defoliated, especially pines. Valuable pines and hardwoods in the landscape can be sprayed with insecticides labeled for caterpillars, or trunks of trees can be banded with a sticky material to trap caterpillars as they crawl up and down trees. This may help on individual trees that are out in the open but may have little effect on trees in the woods where insects can move between adjacent trees.

If valuable trees are infested, you can contact an arborist to spray for the caterpillars. You could also choose to let nature take its course.  In my conversation with the gentleman from Clinton County, we discussed how wet conditions in most of mid to southern Michigan this spring should lead to development of the fungus E. maimaiga. He observed that he was already seeing dead caterpillars hanging straight down, which is a symptom of the effect of the fungus on gypsy moth caterpillars. These dead caterpillars infested with E. maimaiga now become the future source of the fungus in this area protecting trees for years to come.

Michigan is a large state with different weather patterns. While one area is in a drought, another site can be experiencing heavy rains. Awareness of where spring drought occurs can provide an early indicator for possible gypsy moth outbreaks. Nature provides many clues if we pay attention.

Oak Wilt Striking Michigan Trees

There is a fungal disease that has made its way into Michigan and is taking out our oak trees. As if we needed another forest pest to worry about, oak wilt has made an appearance in several Michigan counties. This is causing mass clear-cuttings in portions of the state, including in state parks.

The reason? The only way to stop the spread is to cut down all infected trees, and in many cases any oak surrounding an infected tree.

Since it’s relatively new in Michigan, we have an opportunity to help stop the spread. Here are some tips we all can do to help:

  • Watch your trees closely. If something doesn’t look right, report it to the Michigan Department of Natural Resources. It may turn out to be nothing, but it’s better to be safe than sorry.
  • Don’t trim oak trees from April 15 until July 15, or even through the entire summer if you want to err on the safe side. Any injury can create a way for the fungus to get into the tree. This means intentional injuries like trimming, or accidental ones from lawnmowers, weed whips, and storm damage. If you accidentally nick the trunk of your oak trees doing yard work, seal it up with pruning sealer or tree paint.
  • And the last tip we’re going to give is please don’t move firewood. It is tempting to save money and inconvenience by bringing wood with you when you go camping, but this can cause problems by carrying forests pests long distances and bringing them to new areas. Oak wilt is no exception. The fungus spores can live in the bark of firewood and infect healthy trees at your destination. Please buy where you intend to burn!

A Warning for Great Lakes States: A disease called “Oak wilt” is striking Michigan Forests

Oak tree effected by Oak wilt.

By , Great Lakes Now

If you head to Northern Michigan this summer, you might see some disturbing landscapes across the shoreline and in other spots across the state: clear-cutting. In most cases, it’s not because a shopping development or a subdivision is about to be constructed. It’s because of a fast-moving and deadly fungus that takes aim at Oak trees and can kill them in less than four weeks. And the only solution to stop the spread of the disease is to kill the trees it infects.

It’s called “Oak wilt” disease. Great Lakes Now talked with Jenna Johnson who’s a forest technician with AmeriCorps at the Michigan Department of Natural Resources in Cadillac. She says Oak wilt was first discovered in Great Lakes states in the 1940’s. It has caused major damage in Midwestern States like Minnesota but has only recently made its way into Michigan. She says Roscommon, the Gaylord area, Missaukee County, and Kalkaska County are being particularly hard-hit right now.

Beetles spreading Oak wilt

 

Johnson says, “Oak wilt is a vascular disease. It makes the tree unable to absorb water. It starves the tree to death.” She says the tree starts to die the minute it’s infected, and starts dropping all its leaves. She says it strikes Red oaks, Pin oaks and some White oaks. It’s spread by sap-feeding beetles that take aim at freshly wounded trees. And once one Oak tree is infected, all other Oak trees in the area are in danger of being infected.

She says if the tree isn’t cut down and removed from the area – right into the roots- followed by what’s called “vibratory plowing” down at least 5 feet into the ground to destroy the fungus –   Oak wilt could sweep across the state. The DNR says if Oak wilt isn’t stopped by cutting down infected trees, it could continue to spread, possibly killing almost all the Red oaks in Michigan.

At least 21 states are dealing with the disease, but the majority of Oak wilt cases are being discovered in the Midwest.

The DNR says Oak wilt isn’t just spread through live trees. It’s also spread by firewood that still has its bark. That’s why the DNR wants to get the word out this summer that no one should cut any kind of Oak trees – including power companies – from April 15th to July 15th, and there’s a ban on cutting Oak trees for firewood during this time, too. Bill O’Neill, State Forester of Michigan and Chief of the Forestry Division of the DNR   tells Great Lakes Now if you are gathering or buying firewood, “use and buy your firewood locally – get it from the vicinity where you’re going to be using it.” 

For more information go to http://www.michigan.gov/dnr.

Firewood Awareness Month. Why do we need one?

Fall is here! That means that many will be travelling, looking for that perfect fall foliage that makes the covers of calendars everywhere. And there’s nothing wrong with that.  Michigan welcomes all who want to take a gander at her magnificent fall colors. We just ask that you do one thing.

Leave the wood at home.

This goes for everyone, both in-state and out-of-state travelers. It might seem harsh, or that it’s just another excuse to sell firewood, but there’s a good reason for it. Insects can hitch a ride in firewood, either as eggs, larvae, or even as adults depending on the time of year. Right now, a lot of insects are laying eggs that will overwinter and hatch next spring. By bringing your own firewood you may be unknowingly moving forest pests hundreds of miles to cause new devastation next year.

If we have learned anything from the destruction of the Emerald Ash Borer it is that prevention is key. We do not want a repeat of this kind of damage. So it becomes all of our responsibility to be part of the solution, instead of the problem.

By purchasing firewood where you intend to burn it, or even gathering it on site if it’s permitted, is one of the easiest things you can do to help stop the spread of unwanted insects and disease.

That is why this year, for the first time, the nature Conservancy’s Don’t Move Firewood program is teaming up with the U.S. Department of Agriculture – Animal and Plant Health Inspection Service’s (APHIS) Hungry Pests initiative for Firewood Awareness Month. Learn more in the article below.

We all need to do our part to protect our trees.

 

As the Weather Cools, Your Firewood Choices Matter

Don't Move Firewood pests graphic

Wood boring insect pests can continue their development deep within cut wood. They can emerge from wood left to sit outside to infest new areas.

 

This October, the Nature Conservancy’s Don’t Move Firewood campaign and Hungry Pests, an initiative from APHIS, are partnering to present the first-ever Firewood Awareness Month. The cooler nights and quickly approaching fall season brings an increase in RV camping, hunting, and home heating. Firewood Awareness Month looks to raise public awareness about the potential danger of firewood movement as a pest and disease pathway at this high-risk time of year.

Tree-killing invasive insects and diseases can lurk both inside, and on the surface, of firewood. While these insects and diseases don’t travel far on their own, transporting firewood allows them to move hundreds of miles and start infestations in new places, explains APHIS Deputy Administrator Osama El-Lissy.

Pest infestations can impact our forests by killing trees there as well as in our parks and communities. Infestations are also costly to control or eradicate.

Everyone’s firewood choices matter, says Leigh Greenwood, The Nature Conservancy’s Don’t Move Firewood campaign manager. When it comes to protecting our campsites, wildlife habitats, neighborhood trees, and other favorite places, we all have a personal responsibility to slow the spread of forest pests. Firewood Awareness Month serves as the perfect opportunity to inform the public on the different ways they can help protect the places they love.

Firewood in bags

Firewood that has been heat treated is often sold bagged, boxed, or wrapped. Look for a state or federal seal to certify it was properly treated. Photo credit: L. Greenwood, Don’t Move Firewood campaign, The Nature Conservancy

 

This Firewood Awareness Month, everyone can help protect the places they love from the spread of damaging forest pests by making one of these three safe firewood choices:

  1. Buy firewood near where you’ll burn it
  2. Buy certified heat treated firewood (look for a state or federal seal)
  3. Gather firewood on site when permitted

Anyone who will travel from one location to another, including campers, anglers, hunters, and RV owners, should not carry firewood—unless it is heat-treated and certified—to their destination. This can spread forest pests and may also violate state and federal laws, depending on the region. Plan to gather firewood on site if permitted or purchase firewood near your camping destination.

People who use wood to heat their homes or cabins can help by harvesting firewood locally or by purchasing firewood from a reputable dealer who is in compliance with state or regional firewood regulations. Some operations may be unaware of quarantine and movement restrictions, resulting in the unintentional and illegal movement of tree-killing pests.

Tourists, too, can help protect the places they love against the spread of pests. As thousands of “leaf peeping” fall foliage enthusiasts travel to view the changing leaves around the country, they should purchase firewood locally, buy certified heat treated firewood, or gather on site if allowed.

Get state specific firewood regulations and recommendations at Dontmovefirewood.org/map. Visit www.DontMoveFirewood.org or www.HungryPests.com to learn how to help stop the spread of invasive pests and report signs of them to the proper authorities, and use #firewoodmonth to join the conversation on Facebook and Twitter.

Firewood

When buying firewood for home heating, use a reputable dealer in compliance with local regulations. Photo credit: L. Greenwood, Don’t Move Firewood campaign, The Nature Conservancy