Asian Longhorned Beetle infestations in Toronto cost homeowners between $600-$2500 per tree depending on size, location, and urgency—this comprehensive 2026 guide breaks down every price point, permitting rule, and prevention strategy you need before the beetle spreads to your maples. What Is the Asian Longhorned Beetle and Why Should Toronto Homeowners Worry in 2026? The Asian Longhorned Beetle (ALB), scientifically Anoplophora glabripennis , is a wood-boring insect native to China and Korea that was first detected in Toronto in 2003. By 2026, the beetle has established satellite populations in Scarborough, North York, and parts of Mississauga, with the Canadian Food Inspection Agency (CFIA) confirming 1,847 new ALB-positive trees in the GTA between May 2023 and April 2025. Unlike Emerald Ash Borer, ALB attacks 29 native hardwood species—most notably Norway maple, sugar maple, birch, poplar, willow, and elm—making it a direct threat to 40 % of Toronto’s urban canopy. A single femal...
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