In this Vancouver Is Awesome article, Scott Gardner from Davey's Vancouver office shares how emerald ash borer impacts landscapes and how to identify signs of damage. 

Posted: May 07, 2025

A highly destructive insect that doesn't belong in the Lower Mainland has already made its mark, and an expert says the petite critters are here to stay.

The emerald ash borer, also known by the acronym EAB, is an invasive species from Asia that first appeared in North America in Michigan. It is believed that they came in on a shipping pallet, quickly spreading into Eastern Canada. 

Scott Gardner, a district manager with Davey Tree, helps care for the health of trees across the Lower Mainland. He was working in Ontario when the invasive beetle started spreading back east and says the results were devastating. They specifically target ash trees and wiped out nearly all of them in the 2000s. 

"Once one bug is there, the infestation starts to grow exponentially," he tells V.I.A. 

To read more about EAB's impacts in the Lower Mainland, click here. 

For more information, contact the Vancouver Davey office. 

The Davey Tree Expert Company, headquartered in Kent, Ohio, provides research-driven tree services, grounds maintenance and environmental and utility infrastructure consulting for residential, utility, commercial and environmental partners in the U.S. and Canada. As one of the top ten largest employee-owned companies in the U.S., Davey's 12,000 employees have been dedicated to creating and delivering sustainable solutions since 1880. Apply today to join the Davey legacy, and learn about how we're growing with our new SEED Campus

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