by Working Forest | Nov 26, 2025 | Articles, News, Pests & Disease
Edmonton has identified a second case of Dutch elm disease (DED) this year, reinforcing concerns about the continued spread of the fungus within the city’s extensive elm population. The confirmation comes as urban-forest crews expand survey efforts and increase public...
by Working Forest | Apr 17, 2025 | Articles, Invasive Species, News, Pests & Disease
The polyphagous shot-hole borer (Euwallacea fornicatus) is a destructive, invasive beetle threatening trees in Australia. Originally from parts of Southeast Asia, this tiny pest was first detected in Western Australia in 2021 and has quickly become a serious concern...
by Working Forest | Aug 21, 2024 | News, Pests & Disease
A destructive pest known as the emerald ash borer, which has wreaked havoc on ash trees across the United States, has now spread to Yamhill, Clackamas, and Marion counties in Oregon. This summer, increased signs of infestation, including damage from woodpeckers, have...
by Working Forest | Aug 1, 2024 | News, Pests & Disease
The Emerald Ash Borer, an invasive beetle species notorious for devastating ash tree populations in North America is steadily making its way westward across Canada, and the city of Calgary is preparing for its potential arrival. The emerald ash borer, first detected...
