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.
Shai Gilgeous-Alexander helped Oklahoma City beat Minnesota 116-103 as the Thunder won their eighth straight and he increased his record 20-point streak to 128 games.
It might be a pain and cause travel chaos, but Minnesota's weekend blizzard is also bringing a lot of fun, especially for furry friends who got to have a fun snow day with their owners, and people who wait for this weather.
The word of the day Sunday in southern Minnesota was "challenging," with snow conditions making roads difficult to navigate.
A March snowstorm is expected to blanket parts of Minnesota with more than a foot of snow by Monday, with dozens of schools and organizations expected to stay closed.
A weekend snowstorm forced flights into and out of Minneapolis-St. Paul International Airport to be canceled.
It might be a pain and cause travel chaos, but Minnesota's weekend blizzard is also bringing a lot of fun, especially for furry friends who got to have a fun snow day with their owners, and people who wait for this weather.
The word of the day Sunday in southern Minnesota was "challenging," with snow conditions making roads difficult to navigate.
A March snowstorm is expected to blanket parts of Minnesota with more than a foot of snow by Monday, with dozens of schools and organizations expected to stay closed.
A weekend snowstorm forced flights into and out of Minneapolis-St. Paul International Airport to be canceled.
The major weekend snowstorm in Minnesota is winding down Sunday evening, but a NEXT Weather Alert will remain in effect through overnight Monday.
The word of the day Sunday in southern Minnesota was "challenging," with snow conditions making roads difficult to navigate.
A March snowstorm is expected to blanket parts of Minnesota with more than a foot of snow by Monday, with dozens of schools and organizations expected to stay closed.
The Minnesota National Guard is on standby in various spots in southern Minnesota, prepared for activation should rescue operations become necessary during this weekend's storm.
The major weekend snowstorm in Minnesota is winding, but a NEXT Weather Alert will remain in effect through overnight Monday.
Minnesotans are preparing for a winter wallop. There have been no big changes to the forecast overnight. Everything remains on track for Minnesota's major winter storm, with major impacts from Saturday evening through Sunday.
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.
A fire at a hotel in Superior, Wisconsin, Monday night left one person hurt and forced guests to move to new lodgings.
Excitement is in the air in northern Wisconsin with the 52nd annual American Birkebeiner underway.
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.
Tuesday afternoon, more than 20 people gathered on the Highway 62 bridge between Minneapolis and Richfield after a small protest sparked a confrontation there last week.
U.S. intelligence has circulated to President Trump's inner circle that Iran's late supreme leader had misgivings about his son replacing him, viewing Ayatollah Mojtaba Khamenei as not very bright.
TSA officers faced their first full missed paycheck Friday.
Defense Secretary Pete Hegseth and Joint Chiefs Chairman Dan Caine briefed on Operation Epic Fury in Iran Friday.
The war, which shows no signs of ending soon, has disrupted oil exports from the region, driven fuel prices far higher worldwide and upended global air travel.
More than half-a-million taxpayer dollars meant to help Minnesotans was stolen, according to state investigators, who say a home health care provider took the money to buy flights, order food and take rides instead of helping the needy.
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.
The war in Iran is not only blocking oil tankers through the Strait of Hormuz, it is also holding up much of the world's fertilizer supply, a development that is drawing close attention from farmers preparing for spring planting.
Renters' rights advocates and tenants gathered outside Hennepin County courtrooms Thursday to protest Minneapolis Mayor Jacob Frey's recent veto of an eviction notice extension ordinance.
Minneapolis police are searching for the suspect or suspects in a fatal shooting in a parking lot overnight.
Ayman Mohamad Ghazali made two purchases at a Phantom Fireworks store in Livonia, Michigan. He told the store staff the fireworks were for the end of Ramadan.
Police in St. Paul, Minnesota are investigating after a student at Macalester College accused a former professor of urinating on her belongings.
More than half-a-million taxpayer dollars meant to help Minnesotans was stolen, according to state investigators, who say a home health care provider took the money to buy flights, order food and take rides instead of helping the needy.
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.
The hit HBO Max series "The Pitt" is getting buzz for how real it feels, and there's a Minnesota doctor making sure it stays that way.
More than half-a-million taxpayer dollars meant to help Minnesotans was stolen, according to state investigators, who say a home health care provider took the money to buy flights, order food and take rides instead of helping the needy.
Can a quick workout and your phone reveal something about your heart health? Researchers at the University of Minnesota Medical School say yes, and they've built an app to prove it.
A new Iowa law bans local nondiscrimination protections on the basis of gender identity after the state became the first in the U.S. to roll back its civil rights code last year.
At a Minnesota State Capitol hearing Wednesday morning, the Minnesota Department of Veterans Affairs unveiled its "Veteran Suicide Prevention Plan."
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.
Hollywood's biggest stars were honored at the 98th annual Academy Awards on Sunday. Here is what to know and how to watch the 2026 Oscars.
The hit HBO Max series "The Pitt" is getting buzz for how real it feels, and there's a Minnesota doctor making sure it stays that way.
A woman was arrested on Sunday for firing multiple shots at the Beverly Hills home of Rihanna, Los Angeles Police Department officials say.
Valleyfair in Shakopee, Minnesota, will soon come under new ownership.
Shai Gilgeous-Alexander helped Oklahoma City beat Minnesota 116-103 as the Thunder won their eighth straight and he increased his record 20-point streak to 128 games.
Igor Shesterkin made 46 saves and Vladislav Gavrikov had a goal and two assists as the New York Rangers extended their winning streak to four games with a 4-2 win over the Minnesota Wild.
Anthony Edwards scored 42 points and the Minnesota Timberwolves held off the injury-plagued Golden State Warriors for a 127-117 win.
Rookie Peyton Anderson scored her first career goal to spark the Minnesota Frost to a 4-1 victory over the Seattle Torrent in the PWHL.
Minnesota siblings Jamison and Amaya Battle are both basketball stars, with the brother playing forward for the Toronto Raptors and sister playing point guard for the Gopher women's team.
Talking Points is tracking a partisan push to end surveillance pricing this legislative session.
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Minnesota Democratic Rep. Angie Craig, who is running for U.S. Senate, says she now regrets her vote in favor of the Laken Riley Act last year.
With severe weather season right around the corner, what homeowners need to know about the evolving coverage for your roof.
With severe weather season right around the corner, what homeowners need to know about the evolving coverage for your roof. In Talking Points, Esme Murphy spoke with Grace Arnold, Department of Commerce commissioner about what's driving rising insurance premiums and what you should look from in home insurance coverage.
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.
Pine trees are a common sight up north. But on a Carlton, Minnesota, road, they're joined by giant lollipops. They serve as the welcoming committee for Sweetly Kismet, one of the largest candy stores in the state.
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.
Traveling is already stressful, especially flying, but the deadly conflict south of the border might have some travelers second-guessing their upcoming trips.
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.
A suspect was taken into custody after an attack on Pearl Street Mall in Boulder on June 1 in which there were 15 people and a dog who were victims. The suspect threw Molotov cocktails that burned some of the victims, who were part of a march for Israeli hostages.
The snow may have tapered off, but road conditions are still a bit rough. The cold returns on Monday with a high in the teens for most of the state. Another chance at snow comes Tuesday evening. Meteorologists Chris Shaffer and Lisa Meadows break down timing and road conditions.
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.
It might be a pain and cause travel chaos, but Minnesota's weekend blizzard is also bringing a lot of fun, especially for furry friends who got to have a fun snow day with their owners, and people who wait for this weather.
The word of the day Sunday in southern Minnesota was "challenging," with snow conditions making roads difficult to navigate.
A blizzard warning is in effect for southern Minnesota until 4 a.m. Monday, says NEXT Weather meteorologist Lisa Meadows.
The snow may have tapered off, but road conditions are still a bit rough. The cold returns on Monday with a high in the teens for most of the state. Another chance at snow comes Tuesday evening. Meteorologists Chris Shaffer and Lisa Meadows break down timing and road conditions.
It might be a pain and cause travel chaos, but Minnesota’s weekend March blizzard is also bringing a lot of fun.
A blizzard warning is in effect for southern Minnesota until 4 a.m. Monday, says NEXT Weather meteorologist Lisa Meadows.
The word of the day Sunday in southern Minnesota was “challenging,” with snow conditions making roads difficult to navigate.
A blizzard warning is in effect for southern Minnesota until 4 a.m. Monday, says NEXT Weather meteorologist Lisa Meadows.