Netting Wasps To Help Fight Emerald Ash Borer
Scientists in Minnesota believe they've found an insect that can do what they haven't been able to do very well -- get rid of the emerald ash borer.
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Scientists in Minnesota believe they've found an insect that can do what they haven't been able to do very well -- get rid of the emerald ash borer.
On a warm spring night, Anoka County homeowners are indoors, spending an evening learning about an insect that's invading their property.
The Minnesota Department of Agriculture has confirmed an emerald ash borer infestation in Anoka County. It says the destructive tree pest was found in an ash tree on private property in the city of Ham Lake.
Since she was a child, the giant ash tree that towered over Rebecca Robinson's small home offered a cool refuge during sultry Midwest summer days. It was the same down her tree-lined neighborhood's block and throughout much of Waterloo, a leafy Iowa city that's home to about 4,000 ashes.
Over the next eight years, the city of Minneapolis plans to remove about 40,000 ash trees from around the city in order to combat the Emerald Ash Borer, a tiny green bug that's responsible for taking down trees that have stood for decades.
Minnesota officials have confirmed trees in Olmsted County are infested with the destructive emerald ash borer. The state Department of Agriculture said Wednesday the county will join Hennepin, Houston, Ramsey and Winona counties in a state and federal quarantine to prevent the infestation from spreading.
Emily from St. Cloud wants to know what happens to all the sandbags after the flooding is over? If the sand isn't contaminated with floodwater, it can be used as fill for things like playgrounds and sidewalks. But in most cases, the sand is contaminated.
Over the next eight years, Minneapolis will remove 40,000 ash trees from parks and boulevards, part of a $9-million initiative that began in January to eliminate the emerald ash borer. The beetle has killed millions of trees in the U.S., and has invaded neighborhoods across the Twin Cities. Ralph Sievert, director of forestry for the Minneapolis Park and Recreation Board, says the idea is to phase them out over a period of time.
Minnesota officials reported success Wednesday in the battle to slow the spread of emerald ash borers, saying stingless wasps released in Great River Bluffs State Park near Winona two years ago are reproducing, which is evidence they're attacking the destructive tree pests.
Before you head to the cabin this 4th of July, the Minneapolis Park Board has an important message. Do not bring any wood you may have chopped from downed trees. They say this is imperative in their fight to stop the spread of Emerald Ash Borer.
Gov. Mark Dayton has proclaimed this week Emerald Ash Borer Awareness Week in Minnesota. The designation is part of a nationwide effort to raise awareness of the destructive nature of the tree pests, and to spread the word about the "three P's of EAB" -- Prepare, Protect, and Plant.
Minneapolis officials are warning homeowners against pruning their ash trees.
Three new emerald ash borer infestations have been confirmed – one in Minneapolis, and two in St. Paul, says the Minnesota Department of Agriculture.
Jason DeRusha replies to your cold weather questions.
An infestation of Emerald Ash Borer looks to dramatically alter the look of Fort Snelling Golf Club. Crews with the city's Park and Recreations Board were scheduled to begin removing about 200 ash trees from the golf course on Monday.
The emerald ash borer has found its way into La Crescent, Minn.
Minnesota is plotting its next steps in the fight to stop the spread of emerald ash borers.
At the University of Minnesota they're studying small wasps to see if they'll survive a Minnesota winter.
Experts will be gathering in La Crosse this week to share the latest information on invasive species.
The winner of Thursday's Celebrity Butter Carving Contest at the Minnesota State Fair? WCCO's very own, Rachel Slavik of course. She effortlessly churned out a replica TV and WCCO 4 logo for the title.
The tree-killing pest – the emerald ash borer – has done serious damage to trees at a local golf course. A new case, the first in 2012, was discovered at Fort Snelling Golf Club near the airport in Hennepin County.
The Minnesota Department of Agriculture hopes trained sniffer dogs can become a new line of defense against the invasive pests, which threaten ash trees across the state and across the country.
Minnesota agriculture officials are encouraged by the initial results of a new way to find emerald ash borers.
In Minnesota, emerald ash borers usually strike the first of May, but not this year. They're actually striking now. Our warm spring has brought the tree killing beetle earlier than usual.
The Minnesota Department of Agriculture is preparing to hang thousands of traps across Minnesota in the hunt for emerald ash borer.
A 22-year-old St. Paul man faces charges after a shooting at an apartment building Wednesday afternoon that left a man dead and a woman critically injured.
Five people who were charged in connection to the Feeding Our Future scheme pleaded guilty to wire fraud this week.
St. Paul police arrested an adult man and recovered a vehicle believed to be connected to a hit-and-run that sent a woman to the hospital last month before she died of her injuries.
Several Minnesota families saw justice served on Thursday morning after five young women were killed in a high-speed crash two summers ago in Minneapolis.
More Democrats are openly running on faith, as progressive clergy and other religious candidates push back on the idea that Christianity belongs to the right.
A 22-year-old St. Paul man faces charges after a shooting at an apartment building Wednesday afternoon that left a man dead and a woman critically injured.
Five people who were charged in connection to the Feeding Our Future scheme pleaded guilty to wire fraud this week.
Several Minnesota families saw justice served on Thursday morning after five young women were killed in a high-speed crash two summers ago in Minneapolis.
Anthony Kazmierczak, the man accused of attacking Rep. Ilhan Omar during a town hall meeting, is set to be arraigned Friday. Kazmierczak faces a federal assault charge, along with state charges of making threats of violence and assault.
Over 100 people packed into a building near the intersection of Lake and Hennepin in South Minneapolis on Thursday, to attend a meeting to discuss safety and livability concerns in the once-thriving Uptown neighborhood.
Police in Oakdale, Minnesota, are investigating after two officers and two Hampton Inn hotel employees were taken to the hospital after being exposed to a substance believed to be fentanyl.
Authorities are investigating an alleged incident involving the Rogers High School boys' basketball team that occurred during travel to and from an away game.
Some Minnesota lawmakers want ticket resellers to face the music for charging exorbitant prices on the secondary market.
Comedian Bert Kreischer is without a tour bus after his caught fire in Minnesota.
A mother who was blackmailed by a Minnesota sheriff is speaking out for the first time in a WCCO Investigation. Darcey Duncan recently received a multi-million-dollar settlement for the abuse she endured. The former Chisago County sheriff pleaded guilty to criminal sexual conduct in 2023.
Wisconsin lawmakers are taking a shot at expanding sports betting in the state.
A Wisconsin legislator has pleaded no contest to a misdemeanor count of disorderly conduct in connection with a bitter feud with her caucus over resolutions honoring Hispanics.
As the war in Iran evolves, National Guardsmen from Wisconsin are being recognized for what they are doing in the Middle East.
It's the season for booking those spring break getaways, and if you're looking to skip the airport this year, take a page out of the Condé Nast Traveler.
A judge has sentenced a Wisconsin man who forged threats against President Donald Trump as part of a deportation scheme to 16½ years in prison.
Deputy Fire Marshal Shawn Johnson, 61, died March 5 after a two-year battle with job-related cancer, the Minnetonka Fire Department announced.
The Minnesota Department of Corrections says 95% of all incarcerated individuals will eventually be released from prison. The DOC says it does all it can to help people transition back into the community as productive citizens.
Minnesota native and World War II veteran Les Schrenk died earlier this week. He was 102 years old.
People from across the nation are traveling to the Twin Cities, but not as tourists. Many want to learn in person from Minnesota protestors to bring that knowledge back to their own cities.
The Edina wife and mother of three said she felt called to go and protest in south Minneapolis after learning that Alex Pretti had been shot and killed by two Border Patrol agents.
More Democrats are openly running on faith, as progressive clergy and other religious candidates push back on the idea that Christianity belongs to the right.
The Trump administration argued that Harvard unlawfully discriminated against Jewish and Israeli students, in violation of federal civil rights law.
Clergy will be allowed to minister to immigrants in a holding facility at the headquarters of the Trump administration's enforcement surge in Minnesota, a federal judge ruled Friday.
Minnesota and nearly two dozen other states sued the EPA Thursday, challenging the repeal of a 2009 finding that carbon dioxide and other greenhouse gases threaten public health.
As March Madness is underway, the debate over whether or not to legalize sports betting in Minnesota is once again a hot topic at the state Capitol.
Xcel Energy wants to increase rates for 492,000 natural gas customers in Minnesota. Customers can weigh in on the proposal during public hearings in April and May.
As fraud remains in focus in the Minnesota Legislature, the House on Monday unanimously approved a bill to repeal from state law a problematic program that prosecutors said was the target of a massive fraud scheme.
Delta is canceling flights at Midwest airports, including its Minneapolis-St. Paul hub, ahead of expected significant snow and winds starting Saturday evening through Sunday, the airline said Friday.
Minnesota House Speaker Emerita Melissa Hortman and her husband Mark were murdered in their home in June 2025. On top of grieving the sudden, tragic loss of his parents, Colin Hortman says the cleanup of his childhood home was a headache.
Data show that catalytic converter thefts are on the rise again in the Twin Cities.
A 22-year-old St. Paul man faces charges after a shooting at an apartment building Wednesday afternoon that left a man dead and a woman critically injured.
Five people who were charged in connection to the Feeding Our Future scheme pleaded guilty to wire fraud this week.
St. Paul police arrested an adult man and recovered a vehicle believed to be connected to a hit-and-run that sent a woman to the hospital last month before she died of her injuries.
Several Minnesota families saw justice served on Thursday morning after five young women were killed in a high-speed crash two summers ago in Minneapolis.
Anthony Kazmierczak, the man accused of attacking Rep. Ilhan Omar during a town hall meeting, is set to be arraigned Friday. Kazmierczak faces a federal assault charge, along with state charges of making threats of violence and assault.
Deputy Fire Marshal Shawn Johnson, 61, died March 5 after a two-year battle with job-related cancer, the Minnetonka Fire Department announced.
Sacramento-based Sutter Health announced plans to acquire Minneapolis-based Allina Health, promising a $2 billion investment in Minnesota and Wisconsin, but healthcare unions say workers weren't consulted.
Hennepin County lawmakers plan to urge state legislators Wednesday morning to save Hennepin Healthcare, the state's busiest Level 1 trauma center, which officials say could close this year without immediate action.
Hennepin County lawmakers plan to urge state legislators Wednesday morning to save Hennepin Healthcare, the state's busiest Level 1 trauma center, which officials say could close this year without immediate action.
A northern California health nonprofit is planning to acquire Allina Health in a deal that was announced Tuesday.
Afroman spoke to CBS News after he won the case, which tested the limits of parody and the license artists can take in social commentary directed at public figures.
Spring break does not have to mean big travel plans or big spending for families who head to the Walker Art Center in Minneapolis, where a new exhibit invites children to climb, crawl and create as part of the art experience.
Comedian Bert Kreischer is without a tour bus after his caught fire in Minnesota.
The film follows CBS News correspondent Steve Hartman and photographer Lou Bopp through their seven-year journey to document the toll of America's school shooting epidemic.
The acclaimed filmmaker, who died in February at age 96, revolutionized the art of documentaries with such films as "Titicut Follies." In an interview recorded last year, the pioneering Wiseman talked about his unusual production methods aimed at capturing life.
Connor Bedard scored a goal and defenseman Alex Vlasic made a game-saving stop as time ran out as the Chicago Blackhawks beat the Minnesota Wild 2-1 to snap the NHL's longest active point streak for one team against another.
The Minnesota Vikings have agreed to terms on a new contract with quarterback Carson Wentz to bring back the 11th-year veteran for more depth after a problematic season at the vital position.
Authorities are investigating an alleged incident involving the Rogers High School boys' basketball team that occurred during travel to and from an away game.
Grace Zumwinkle and Kelly Pannek scored 11 seconds apart during a four-goal first period and the Minnesota Frost routed the Ottawa Charge 5-0.
Ayo Dosunmu scored 23 points and had nine rebounds in his second straight start in place of the injured Anthony Edwards and the Minnesota Timberwolves took charge in the second quarter to cruise past the Utah Jazz 147-111.
President Donald Trump has called the bill his number one priority and says it would prevent non-citizens from voting in the 2026 midterm elections.
Minnesota Secretary of State Steve Simon says non-citizen voting is extremely rare. He cited a University of St. Thomas study that found only three instances of non-citizens voting in Minnesota between 2014 and 2024.
The U.S. Senate has begun debate on a controversial elections bill that would require voters to show proof of citizenship with a birth certificate or passport. Minnesota Secretary of State Steve Simon says non-citizen voting is extremely rare. He cited a University of St. Thomas study that found only three instances of non-citizens voting in Minnesota between 2014 and 2024.
Talking Points is tracking a partisan push to end surveillance pricing this legislative session.
This session, a bipartisan bill to end surveillance pricing is moving forward at the Minnesota Capitol. In Talking Points, Esme Murphy spoke with Minnesota DFL Rep. Erin Koegel about the push and how the ban could protection your personal data.
The Nuss Collection is home to a lot of vintage trucks.
Denis Doyle was born in Kilkenny, Ireland. He emigrated to the U.S. and in 1856, Doyle traveled to Le Sueur County. Other Irish immigrants joined Doyle and the town was born.
One of the oldest operating theaters in the Midwest is in danger of closing its doors for good.
In St. Louis Park, Minnesota, there's a place where you can find radio and television technology that's nearly a century old — and it still works.
One of the best views in Minnesota is at the top of a Bloomington hill. But 15-year-old Jacob Larson isn't here for the scenery. He's here for the jump.
Heavy snow followed by bitter cold hit Minnesotans with a double whammy of winter. The good news is spring-like weather is right around the corner, but its quick arrival could spell trouble for homeowners.
Minnesota lakes remain frozen. The people walking on trails around them remain bundled up. After a warm start to March, the seasonal shift is sputtering as it often tends to do.
Drivers are bracing themselves for higher prices when they pull up to gas stations. But the pump isn't the only place you can expect to pay more in the weeks ahead.
A push for stricter gun laws in Minnesota is not new. However, this session comes on the heels of a devastating mass shooting last summer in which the target was students in prayer at Annunciation Catholic School in Minneapolis.
The military strikes against Iran have sparked intense debate in Congress. U.S. lawmakers are not only split on whether to support the operation but also on whether President Trump should have sought congressional approval in advance. WCCO investigates how the Constitution defines declarations of war.
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
Minnesotans got a great view of the northern lights Tuesday night.
A look at the newest addition to the polar bear population at St. Paul, Minnesota's Como Zoo.
From food shelves to school programs, our team is proud to serve where it matters most.
The Minnesota State Fair has unveiled its new food, drinks and vendors for 2025.
It'll be a warm day Saturday, with temps reaching into the 70s for the Twin Cities area.
In Minnesota, weather can be all over the place. Here at WCCO, we want to give you what you need to prepare for what's happening next.
Early next week looks fairly quiet and seasonable with the active storm track well north. In the meantime, get ready for some very warm temperatures, WCCO meteorologist Mike Augustyniak reports.
The warmth peaks tomorrow with highs in the lower 70s, WCCO meteorologist Adam Del Rosso reports.
Saturday's high will reach the lower 70s across the Twin Cities area, marking the warmest day of the year so far as spring officially begins Friday morning.
It was a final salute for a fallen U.S. soldier from Minnesota.
It'll be a warm day Saturday, with temps reaching into the 70s for the Twin Cities area.
The arrest in Washington, D.C. came just over a month after federal agents pulled her from her car in Minnesota.
It is the final group charged in the scheme that began a domino effect of fraud investigations in Minnesota.
McFlurry was rescued from commercial breeders in Missouri.