Invasive beetle on a rampage through ash trees in Fredericton | CBC News

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invasive-beetle-on-a-rampage-through-ash-trees-in-fredericton-|-cbc-newsInvasive beetle on a rampage through ash trees in Fredericton | CBC News

New Brunswick

The City of Fredericton is sending forestry teams to vaccinate its ash tree population in a bid to protect them from the growing emerald ash borer population.

Findings per tree have increased since discovery of emerald ash border in city in 2021

Ian Curran · CBC News

· Posted: Aug 12, 2025 5:00 AM EDT | Last Updated: 1 hour ago

Man with an orange safety vest vaccinates a tree.

City of Fredericton crew members vaccinate ash trees with TreeAzin insecticide to protect them from the invasive emerald ash borer. (Aniekan Etuhube/CBC)

The City of Fredericton continues to battle an invasive beetle that has been killing ash trees on public and private land.

First discovered in Fredericton in 2021, the emerald ash borer has spent the last four years thriving on the region’s trees, leading to a population boom of the persistent and nearly impossible to eradicate insect.

The invasive species, originating in eastern Asia, has killed millions of ash trees across Canada in the past 23 years.

City officials have sent out teams of forest technicians like Ben Shannon, who inject ash trees with TreeAzin insecticide and set up pheromone luring traps to battle the increasing threat.

A man with an orange vest.

Ben Shannon is a forest technician for the City of Fredericton and spends his days vaccinating and caring for its ash trees. (Ian Curran/CBC)

“There is almost nothing you can do to stop the beetle from establishing itself here,” Shannon said.

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