Europe looks to Fredericton scientist for help with emerald ash borer

January 21, 2019

By: The Working Forest Staff

CBC News — Peter Silk, a Fredericton-based research scientist is headed to Europe to share his expertise about the “green menace.”

As one of the world’s leading experts on the destructive beetle, he’s been invited to a meeting in Tallinn, Estonia, where an infestation of the borers is in its infancy.

The tiny but invasive emerald ash borer has devastated ash tree populations throughout the United States and five Canadian provinces, including New Brunswick. As its name suggests, the beetle bores into ash trees and disrupts the tree’s ability to feed, killing it.

The insect arrived in North America after voyaging in wooden crates from China about 20 years ago. It’s now spreading through Europe.

“It’s now coming through Russia, in through Belarus into the eastern European countries,” Silk said.

“It will be in France and Britain before long and destroy all their ash. So it’s going to be a big problem for them.

“What I’m going to do in Estonia is try to push what little wisdom that we’ve learned on this insect in their direction.”

Silk, who works with Natural Resources Canada, helped designed a trap in 2012 that’s now been perfected. It’s a bright green, hollowed-out triangle baited with a pheromone that smells of a female beetle ready to mate.

The borers “love” the colour green, he said, and will get stuck to the trap because it’s covered in glue.

The City of Fredericton used the traps this summer for early detection of the borer’s arrival.

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