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Michigan adds 2 new invasive species to state list: What to watch out for

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Michigan adds 2 new invasive species to state list: What to watch out for


Michigan added two invasive species to the official state watch list — and removed another. Here’s what you need to know.

What’s new: Mountain pine beetle, a deadly threat to pine trees, and water-primrose, a fast-spreading aquatic plant, have been added to the watch list due to threats they pose to native ecosystems and industry.

What’s out: European frog-bit, originally listed in 2011, has been moved off the list of species of immediate concern and is now considered established in the state.

Mountain pine beetle — what to know

From the Michigan DNR: Mountain pine beetle has been characterized as the most aggressive, persistent and destructive bark beetle in the western U.S. and Canada. Hot, dry summers and mild winters in these areas have led to the beetle’s unprecedented population growth and range expansion, moving it ever closer to Michigan.

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Because it attacks most species of pine, the invasive beetle could have widespread effects in the state.

—> Meet Michigan’s 8 invasive insects: What they are, the damage they cause and what to do about them

“White and red pines are primary species in our forest ecosystems, and jack pine serves as critical habitat for the Kirtand’s warbler,” said Susie Iott, invasive species program specialist with the Michigan Department of Agriculture and Rural Development. “If mountain pine beetle were to become widely established in Michigan, it would cause severe losses across multiple industries, including timber products, plant nurseries and tourism.”

The tiny, invasive mountain pine beetle, seen here on a pitch tube, could be a threat to Michigan’s forests if it arrives. (Photo courtesy of William M. Ciesla Forest Health Management International Bugwood.org.)

Because the beetle can be transported on infested pine logs, firewood and other similar commodities, MDARD issued an exterior mountain pine beetle quarantine in 2020 to regulate the movement of all firewood and any pine products with bark attached from areas of the western U.S. and Canada.

Water-primrose — what to know

Water-primrose (Ludwigia species) is a group of very similar non-native plants, L. grandifolia, L. peploides and L. hexapetala, that are invasive in wetland ecosystems. Water-primrose is quick to establish and spread in dense mats within wetlands and shoreline areas, outcompeting native species and making boating and water access difficult.

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Three known populations, two in the greater Detroit area and one in Ottawa County, indicate the species can survive and thrive in Michigan’s climate. Once established, water-primrose can be very difficult to remove, making early detection critical.

A five-petaled yellow flower and pointed leaves are characteristics of the invasive aquatic water-primrose species. (Photo courtesy of Graves Lovell, Alabama Dept. of Conservation and Natural Resources, Bugwood.org)

“Water-primrose is not a regulated species in Michigan. Though not common in trade, it was likely introduced through the landscape or water garden pathway,” said Bill Keiper, aquatic biologist with the Department of Environment, Great Lakes, and Energy. “Several Ludwigia species are common in trade but are not invasive and look much different than water-primrose.”

What is the watch list?

Michigan’s watch list identifies species that pose an immediate or potential threat to the economy, environment or human health. Watch list species have limited known distribution or have never been confirmed in the wild in the state. Michigan’s Invasive Species Program prioritizes watch list species and encourages the public to report potential sightings and take precautions to prevent establishment or limit their spread.

Several factors are considered in evaluating species for watch list status, including risk assessments, proximity of populations to Michigan, harmful characteristics and availability of control methods.

—> 6 invasive insects to watch out for in Michigan

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How you can help

The public is encouraged to look for and report potential infestations of mountain pine beetle and water-primrose.

Since mountain pine beetles are tiny and live under bark, they often are detected by the presence of many popcorn-like lumps of pine pitch, called “pitch tubes” on pine tree trunks. Pitch tubes can be brown, pink or white and are created as the tree attempts to push out an entering beetle. Red frass, a fine sawdust generated by the beetle’s chewing, can be visible in bark crevices and around the base of an infested tree.

Invasive water-primrose can be found along the water’s edge or floating on the water. Plants grow upright to 2 feet in height and also spread horizontally. Look for reddish stems, willow-like or spatula-shaped, dark green leaves and a showy, yellow flower with five or six petals.

Michigan is home to several native plants related to invasive water-primrose, including seedbox, water-purslane, false loosestrife and globe-fruited loosestrife. These natives can be distinguished by their flowers, which have four or no true petals.

—> Let’s talk about Michigan ladybugs: Why they’re in your home and why you should do nothing about it

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Reporting

When reporting watch list species, include one or more photos of the suspected species or its symptoms and provide the location of the infestation.

To report mountain pine beetle, invasive water-primrose and other watch list species:

More information on identifying, reporting and preventing the introduction or spread of watch list species is available at Michigan.gov/Invasives/ID-Report/Watchlist.

Copyright 2023 by WDIV ClickOnDetroit – All rights reserved.



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Michigan

How MSU’s deer vaccine capsules could curb black-legged ticks in Michigan

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How MSU’s deer vaccine capsules could curb black-legged ticks in Michigan


EAST LANSING, Mich. – Black-legged ticks have been increasing across Michigan this summer, raising concerns about tick-borne illnesses like Lyme disease.

—> Michigan health officials alarmed by surge in Lyme disease cases

Researchers at Michigan State University say the large white-tailed deer population plays a key role in spreading these ticks.

To address the problem, MSU scientists are testing food capsules containing biomarkers to see if deer will eat them.

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Each capsule currently includes corn, alfalfa, molasses, and a biomarker that helps track how many deer consume the capsules.

If successful, the capsules will eventually contain a vaccine to help deer build immunity to ticks, similar to how dogs are vaccinated.

The goal is to reduce the number of ticks on deer, which could lower the risk of tick-borne diseases for people spending time outdoors.

MSU professors describe this as an innovative method that could be a game-changer for controlling black-legged ticks and Lyme disease in Michigan. The capsules are being introduced in selected parks and land preserves in the Mid-Michigan area as part of the early phase of this research.

In the future, the team plans to add a drug or vaccine to the capsules to eliminate ticks on deer, aiming to stop the problem at its source.

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—> 4 ways to protect yourself from ticks in Michigan, and 4 things to do after you’re outside

Copyright 2025 by WDIV ClickOnDetroit – All rights reserved.



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Trump administration renews push to fire Fed governor from Michigan ahead of key vote

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Trump administration renews push to fire Fed governor from Michigan ahead of key vote


President Donald Trump’s administration renewed its request Sunday for a federal appeals court to let him fire Lisa Cook from the Federal Reserve’s board of governors, a move the president is seeking ahead of the central bank’s vote on interest rates.

The Trump administration filed a response just ahead of a 3 p.m. Eastern deadline Sunday to the U.S. Court of Appeals for the District of Columbia, arguing that Cook’s legal arguments for why she should stay on the job were meritless. Lawyers for Cook argued in a Saturday filing that the Trump administration has not shown sufficient cause to fire her, and stressed the risks to the economy and country if the president were allowed to fire a Fed governor without proper cause.

Sunday’s filing is the latest step in an unprecedented effort by the White House to shape the historically independent Fed. Cook’s firing marks the first time in the central bank’s 112-year history that a president has tried to fire a governor.

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“The public and the executive share an interest in ensuring the integrity of the Federal Reserve,” Trump’s lawyers argued in Sunday’s filing. “And that requires respecting the president’s statutory authority to remove governors ‘for cause’ when such cause arises.”

Bill Pulte, a Trump appointee to the agency that regulates mortgage giants Fannie Mae and Freddie Mac, has accused Cook of signing separate documents in which she allegedly said that both the Atlanta property and a home in Ann Arbor, Michigan, also purchased in June 2021, were both “primary residences.” Pulte submitted a criminal referral to the Justice Department, which has opened an investigation.

Trump relied on those allegations to fire Cook “for cause.”

Cook, the first Black woman to serve as a Fed governor, referred to the condominium as a “vacation home” in a loan estimate, a characterization that could undermine claims by the Trump administration that she committed mortgage fraud. Documents obtained by The Associated Press also showed that on a second form submitted by Cook to gain a security clearance, she described the property as a “second home.”

Cook sued the Trump administration to block her firing and a federal judge ruled Tuesday that the removal was illegal and reinstated her to the Fed’s board.

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The administration appealed and asked for an emergency ruling just before the Fed is set to meet this week and decide whether to reduce its key interest rate. Most economists expect they will cut the rate by a quarter point.



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Michigan football vs. Central Michigan: Live updates, score, injuries

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Michigan football vs. Central Michigan: Live updates, score, injuries


It’s an in-state matchup on Saturday, Sept. 13, as Michigan football (1-1) takes on the Central Michigan Chippewas (1-1) for the Wolverines’ second home game of the season.

After a loss on the road at Oklahoma last week in which Michigan struggled to generate offense, the Wolverines — and particularly freshman quarterback Bryce Underwood — are looking to sharpen their offensive skills against a weaker Chippewas.

They’ll have to do so without coach Sherrone Moore, however. The coach is serving the first of a two-game suspension sanctioned by the school for his role in the Connor Stalions sign-stealing scandal. In the interim, Biff Poggi will lead the Wolverines.

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Michigan’s task will be to hone its skills on both sides of the ball, but with an emphasis on offense. The Wolverines struggled to run the ball last week and Underwood had difficulty connecting with receivers downfield as well. Central Michigan provides a perfect opportunity for Michigan to build its offensive cohesiveness before beginning Big Ten play.

Follow along below for live updates.

Michigan football vs. Central Michigan early availability report

Michigan – Out: QB Davis Warren (knee), OT Andrew Babalola (knee). Probable: DB Rod Moore (knee), DB Shamari Earls (undisclosed), DB Caleb Anderson (undisclosed). Questionable: TE Marlin Klein (right foot/ankle), DB Zeke Berry (lower body), RB John Volker (undisclosed), LB Jaydon Hood (undisclosed), RB Bryson Kuzdzal (undisclosed), RB Donovan Johnson (undisclosed), edge Devon Baxter, DT Ike Iwunnah (undisclosed), WR C.J. Charleston (undisclosed). Doubtful: OL Gio-EL Hadi (left ankle/foot)

Central Michigan – Missed Week 2: TE Rory Callahan, OL John Iannuzzi.

Matchup: No. 22 Michigan (1-1) vs. Central Michigan (1-1)

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Kickoff: Noon Saturday, Sept. 13; Michigan Stadium, Ann Arbor.

TV/radio: Big Ten Network; WCSX-FM (94.7).Looking for a free mini puzzle? Play the USA TODAY Quick Cross now.

Line: Wolverines by 27½.

Michigan football schedule 2025

Week 1: W, 34-17 vs New Mexico.

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Week 2: L, 13-24 at Oklahoma

Week 3: vs Central Michigan, Saturday Sept. 13, noon ET (Big Ten Network).

Week 4: at Nebraska, Saturday Sept. 20, 3:30 p.m. ET (CBS).

Week 5: BYE.

Week 6: vs Wisconsin, Saturday Oct. 4, 12 p.m. or 3:30 p.m.

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Week 7: at USC, Saturday Oct. 11, time TBD.

Week 8: vs Washington, Saturday Oct. 18, time TBD.

Week 9: at Michigan State, Saturday Oct. 25, time TBD.

Week 10: vs Purdue, Sautrday Nov. 1, time TBD.

Week 11: BYE.

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Week 12: at Northwestern, Saturday Nov. 15, time TBD.

Week 13: at Maryland, Saturday Nov. 22, time TBD.

Week 14: vs Ohio State, Saturday Nov. 29, noon ET (Fox).

Contact Matthew Auchincloss at mauchincloss@freepress.com.

Our team of savvy editors independently handpicks all recommendations. If you purchase through our links, the USA Today Network may earn a commission. Prices were accurate at the time of publication but may change.

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