Skip to Content

Notorious Beetle Which Killed Millions of Trees in Michigan Invades North Dakota

Emerald ash tree borer chewing on a leaf.
Emerald ash tree borer chewing on a leaf. Source: YouTube. Uploaded: UKNOW How-to Videos.

Sometimes the most beautiful creature can be the most dangerous one! Well, it’s always been that way! North Dakota has recently joined the growing list of states grappling with the emerald ash borer, a notorious beetle responsible for decimating ash trees across the United States. First detected in Michigan in 2002, this invasive species has spread to 37 states, including North Dakota, where its presence was confirmed in LaMoure County. With over 90 million ash trees at risk, state officials are on high alert, implementing measures to curb the beetle’s spread and protect the state’s valuable tree population.

The Emerald Ash Borer: A Tree’s Worst Enemy

Emerald ash tree borer resting on a leaf.
Emerald ash tree borer resting on a leaf. Source:

The emerald ash borer (EAB) is a tiny, green beetle with a devastating impact on ash trees. Originating from Asia, it has killed tens of millions of trees across the U.S. since its discovery in Michigan. The beetle’s larvae bore into the tree’s inner bark, disrupting the flow of nutrients and ultimately leading to the tree’s death. Its spread poses a significant threat to North Dakota’s ash trees.

First Sighting in North Dakota

Heavily infested Ash tree.
Heavily infested Ash tree. Source: YouTube. Uploaded: NC State Extension.

This week, North Dakota officials confirmed the first sighting of the emerald ash borer in the state. Adult beetles were captured near Edgeley in LaMoure County, marking North Dakota as the 37th state to fall victim to this invasive species. Follow-up inspections revealed additional larvae, signaling the beginning of a battle to save the state’s ash trees.

The Spread Across the U.S.

Two Emerald Ash Tree Borers live inside the hole in the ash tree.
Two Emerald Ash Tree Borers live inside the hole in the ash tree. Source: YouTube. Uploaded: KEZI 9.

The emerald ash borer has made its way across dozens of states since its initial discovery in 2002. From Michigan, it has spread rapidly, infesting trees in states as far west as Colorado and as far east as Maine. The beetle’s ability to travel long distances, often via firewood and nursery stock, has contributed to its widespread destruction.

The Life Cycle of the Emerald Ash Borer

Larvae of Emerald Ash tree borer.
Larvae of Emerald Ash tree borer. Image by Pennsylvania Department of Conservation and Natural Resource, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons

The life cycle of the emerald ash borer is key to understanding its destructive power. After adults lay eggs on the bark of ash trees, the larvae hatch and burrow into the tree. Feeding on the inner bark, the larvae disrupt the tree’s nutrient flow, causing significant damage and eventually killing the tree. The beetles then emerge as adults to continue the cycle.

Impact on North Dakota’s Ash Trees

An Ash tree bark invested by Emerald ash tree borer.
An Ash tree bark invested by Emerald ash tree borer. Source: YouTube. Uploaded: KEZI 9

North Dakota is home to over 90 million ash trees, making the potential impact of the emerald ash borer particularly concerning. The loss of these trees could have devastating effects on the state’s landscape, ecosystem, and economy. The arrival of this beetle in North Dakota has prompted immediate action from state officials.

State’s Preparation and Response

Tree trimmer cutting down an Ash tree infested with EAB.
Tree trimmer cutting down an Ash tree infested with EAB. Image by svanhorn via Depositphotos.

The state has been preparing for the arrival of the emerald ash borer for years. The state Department of Agriculture has been placing and checking traps, as well as promoting awareness among residents. With the beetle now confirmed, these efforts will intensify as officials work to limit its spread and protect the state’s ash trees.

Quarantine Measures in LaMoure County

Firewood.
Firewood. Image by Dmitry Makeev, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

In response to the discovery of the emerald ash borer, North Dakota has implemented a quarantine in LaMoure County. This measure prohibits the transport of untreated firewood out of the county, helping to prevent the beetle from spreading to other parts of the state. Violators of the quarantine could face fines of up to $5,000.

Collaborative Efforts to Combat the Beetle

Treatment of an ash tree to control ash tree borer.
Treatment of an ash tree to control ash tree borer. Image by Miguel Tremblay, CC0, via Wikimedia Commons.

The North Dakota Department of Agriculture, the state Forest Service, and North Dakota State University Extension are joining forces to combat the emerald ash borer. Together, they will monitor the beetle’s spread, assess the damage to ash trees, and conduct outreach efforts to inform the public about how to help protect the state’s trees.

Potential Consequences for North Dakota’s Ecosystem

Ash tree trunk infested with EAB
Ash tree trunk infested with EAB. Source: YouTube. Uploaded: Kenneth King.

The loss of ash trees due to the emerald ash borer could have far-reaching consequences for North Dakota’s ecosystem. Ash trees play a crucial role in the state’s environment, providing habitat for wildlife, contributing to soil health, and enhancing the landscape’s beauty. The beetle’s spread threatens to disrupt this delicate balance.

Efforts to Raise Public Awareness

Emerald ash tree borer trap.
Emerald ash tree borer trap. Image by Fungus Guy, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons

Public awareness is a key component of North Dakota’s strategy to combat the emerald ash borer. State officials are urging residents to be vigilant in checking for signs of infestation and to report any suspicious activity. By working together, the public can play a vital role in protecting the state’s ash trees.

Looking Ahead: The Battle Continues

Emerald Ash Tree Borer with its wings wide open.
Emerald Ash Tree Borer, with its wings wide open. Image by Benjamin Smith from United States, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons

The fight against the emerald ash borer in North Dakota is just beginning. With the beetle now confirmed in the state, officials are ramping up efforts to contain its spread and mitigate the damage. The road ahead will be challenging, but with continued vigilance and collaboration, North Dakota can work to protect its valuable ash trees.

Signs And Treatment

An arborist inspecting an Ash Tree.
An arborist inspecting an Ash Tree. Source: YouTube. Uploaded: Andrew the Arborist.

A few ways you can identify the EAB infestation include: stripping of bark by woodpeckers searching for larvae; chewing damage on foliage edges; 1/8-inch D-shaped holes chewed through the bark; and an S-shaped tunnel beneath the bark. Make sure to be proactive with an ash tree inspection and look out for early symptoms of EAB to take immediate action in case of infestation.

A Call to Action

Emerald Ash Tree Borer.
Emerald Ash Tree Borer. Source: YouTube. Uploded: Andrew the Arborist.

The arrival of the emerald ash borer in North Dakota is a wake-up call for the state. This destructive beetle has the potential to devastate the state’s ash tree population, with far-reaching consequences for the environment and economy. State officials, environmental agencies, and residents must come together to fight this invasive species and preserve North Dakota’s natural heritage.

Unusual Fall Season For Almost All US States Predicted Spotting A Blue Jay May Be The Universe’s Way Of Telling You What You Need New York Rescue Duck Found Himself An Emotional Support Duck Spotting A Cougar May Be The Universe’s Way Of Telling You What You Need Do Bald Eagles Mate For Life?