General Information
Why is EAB important?
What does EAB Look Like?
What does an Ash Tree Look Like?
How Do I Know If My Trees Have EAB?
Where has EAB been found?
Firewood Regulations
State and Federal Quarantines
Quick Link for Industry
Management Options, Tips and Tools
For Homeowners
For Woodlot owners
For Communities
For Professionals
What Is Wisconsin Doing About EAB?
Wisconsin's Response Plan
Survey Program
Upcoming Events

Featured Items Archive

  • Common Problems of Ash Trees: Ash trees have other problems that are mistaken for an EAB infestation. Read more about it in this publication from Iowa State University Extension (8-page PDF).

  • NEW: EAB has been confirmed in the city of Greenfield in Milwaukee County. Read more.

  • NEW: EAB has been confirmed in the village of Greendale in Milwaukee County. Read more.

  • Hunters: Remember Firewood Rules as Gun Deer Season Nears. Use firewood where you are camping or buy wood from a certified dealer.

  • EAB has been confirmed in an infested tree in the city of La Crosse, not far from where EAB beetles were found on a trap in 2011.

  • EAB found in a second Rock County community - Clinton. Here's a list of Wisconsin municipalities known to have at least one instance of EAB.

  • Trempealeau County is latest addition to state's growing list of EAB quarantined counties.

  • Emerald ash borer now found in the city of Milwaukee

  • EAB has been confirmed in Rock County and has been found for the first time in a state park.

  • The emerald ash borer has been confirmed in Waukesha County.

  • EAB confirmed in Lake Geneva and in a woodlot near the Illinois border.

  • Wisconsin's emerald ash borer quarantine rules will remain the same despite the change in Federal quarantine rules coming July 1, 2012.

  • Questions about moving firewood in Wisconsin? This simple, color-coded map may be useful. Firewood movement in Wisconsin

  • Those purple, sticky boxes are going up again in ash trees around the state. The 2012 Wisconsin EAB Survey is now underway.

  • Public hearings have been set in order to receive comments about Wisconsin's Certified Firewood Dealer rule. Read the press release here.

  • Wisconsin's Strategic Plan for dealing with EAB.

  • NEW Emerald Ash Borer has been confirmed in La Crosse County. Read the news advisory here.

  • Federal officials have confirmed EAB in northeastern Racine County. Racine County is already under an EAB quarantine that restricts the movement of a variety of products that could transport EAB, including - and especially - hardwood firewood. A map of Wisconsin quarantines and general areas of infestation is located here.

  • If you're considering pesticide control for EAB, this fact sheet has clear and concise guidance for you.

  • Check out these videos to help you learn more about EAB:

    How to Identify Signs & Symptoms of an Infested Ash Tree

    How to Identify the Emerald Ash Borer Beetle

    How to Identify an Ash Tree

  • Looking for some firewood? Check out these certified firewood dealers for firewood that's safe to move around the state and use in any of Wisconsin's State Parks. This list is current as of June 2012. Check back for updates.

  • Hunters getting ready for the annual gun deer season should give a little thought about the firewood they may be planning to take along to their deer camp. Here's some information from DATCP.

  • NEW: EAB is confirmed in Cudahy. Read the press advisory here. And if you want to protect your trees - and your wallet - you may want to read this.

  • Hardwood firewood and other ash products CANNOT be moved out of quarantine areas (shaded in red). As new counties come under quarantine, this map will be updated. Check back throughout the summer.

  • Buying certified firewood is another great way to help reduce the risk of spreading harmful pests and diseases around the state. The current list of certified dealers in Wisconsin can be found here.

  • With summer camping season approaching, now is a good time to be thinking about your camp firewood supply. Wisconsin Natural Resources magazine recently published an article explaining why local firewood is the best (safest) firewood.

  • NEW: The emerald ash borer has been confirmed in a second Milwaukee County community. Click here to read details of the latest discovery.

  • Twelve counties are under quarantine in an effort to help slow the spread of EAB in Wisconsin. The quarantine prohibits movement of materials that could spread the pest, such as nursery stock, timber, and hardwood firewood. Go here to see the latest quarantine map.

  • Fall is a great time to put up firewood for winter heating or the annual trip to deer camp. To make sure that the firewood you buy can be used just about anywhere in the state, purchase it from one of these DATCP-certified firewood dealers. Click here for the current list. (.pdf document)

  • NEW: Wisconsin's EAB quarantine expands to include three southeastern counties. Read more.

  • NEW: Emerald ash borer has been confirmed in Milwaukee County. Read More.

  • NEW: An EAB quarantine goes into effect August 22 in Brown and Kenosha counties. Read more.

  • NEW: Emerald ash borer has been confirmed in Kenosha County. Read more.

  • NEW: Emerald ash borer has been confirmed in Green Bay. Read more.

  • NEW: Survey specialists are monitoring nearly 7,000 purple, sticky traps for signs of EAB in Wisconsin. Read more...

  • NEW: We've received lots of calls recently on the Hotline from people who think they've found EAB on their property. Almost all of these turn out to be our native tiger beetle. For pictures of the tiger beetle and other insects commonly mistaken for EAB, click here.

  • With the start of the busy summer travel season ahead, Wisconsin Governor Jim Doyle has proclaimed May 17-23, 2009 as Emerald Ash Borer Awareness Week to encourage state residents and visitors alike to learn about,and help slow the spread of, the tree-killing pest. Read more...

  • Surveyors with the Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) will hang thousands of traps in trees across the state to track the spread of the tree-killing emerald ash borer. Read more...

  • Emerald Ash Borer quarantine now in effect in Crawford and Vernon Counties. Read more...

  • Emerald ash borer has been confirmed in Vernon County, Wisconsin on April 7, 2009. Vernon is now the third infested county in the state. Read more...

  • Following an intense survey of the area where Wisconsin's first discovery of emerald ash borer was made last summer, state officials have concluded that the ash-killing pest is common throughout a nearly 8-square mile area. Read more....

  • EAB was found in southeast Wisconsin in August 2008. This highly destructive pest has already killed tens of millions of trees in other states and now threatens the estimated 770 million ash trees in Wisconsin.

  • If you suspect an infestation of emerald ash borer (EAB), please contact us by calling 1-800-462-2803 or e-mailing

  • Emerald ash borer is spreading rapidly with human help. Please keep firewood and other ash products local. Stay updated on firewood rules and advice and EAB quarantines and regulations. Slowing the spread is up to you!

  • One of the most important and effective defenses we have against emerald ash borer is early detection. Today, learn what EAB looks like and how to spot it. Your knowledge and action may give our ash trees a fighting chance tomorrow.

  • Hunters and others who may be doing some fall camping are reminded to leave the firewood behind and avoid spreading EAB. Read more.

  • Emerald ash borer has been discovered in a recently planted ash tree in Kenosha County. Read more

  • The fall and winter survey for EAB is underway. Read more

  • Emerald ash borer may also bring some other unwanted pests to your door...unscrupulous pesticide applicators. Read more

  • Emerald ash borer has also been discovered in Washington County. A four-county quarantine is now in effect. Read more

  • Emerald ash borer has been identified for the first time in Wisconsin. The find was made in Ozaukee County in southeastern Wisconsin. Read more

  • Thousands of purple, sticky traps to dot countryside in continuing search for emerald ash borer, April 2008. Read more

  • Gov. Jim Doyle declares May 18-24, 2008 as Emerald Ash Borer Awareness Week in Wisconsin. Read more

  • The latest science and research on emerald ash borer has been incorporated into the state's EAB Response Plan. Read the new document.

  • Wisconsin Ag Department Urges State Residents to Be On the Look Out for Rustic Planters That May Contain EAB, January 2008. Read more

  • DATCP EAB Surveys Begin in Wisconsin; New Internet Resource Available, December 2006. Read more...

  • APHIS Expands Federal Quarantine on Wood Products in EAB-infested States read more...

  • Non-resident Hunters Urged to Leave Firewood Behind for Wisconsin's Gun Deer Season, November 2006.  Read more.

  • Reduce the Risk of Spreading Emerald Ash Borer and Other Invasive Pests and Diseases. Don't Move Firewood!

  • DATCP Secretary Urges Wisconsin Residents to Burn Recalled Firewood, April 2007. Read more

  • Comments Sought on Firewood Dealer Certification Rule, June 2007. Read more

  • ext of the Governor Doyle's proclamation, proclaiming May 20-26, 2007 as Emerald Ash Borer Awareness Week. Read more

  • Governor Scott Walker Urges Wisconsin Residents to Observe Emerald Ash Borer Awareness Week, May 20-26, 2012.

  • State researchers have a new tool to help detect emerald ash borer, July 2007. Read more





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