Insects and diseases are a natural part of the forest ecosystem, but when populations grow too large or when exotic or invasive species move in, they can threaten the health of Saskatchewan's forests.
One of the most important ways that you can help prevent the spread of many forest pests is to avoid the illegal practice of transporting firewood or wood products from an infested area into and around Saskatchewan.
Dutch elm disease, or DED, can affect any elm tree and always kills – over several seasons or sometimes in as little as three weeks. Learn about DED symptoms, prevention and management, and where the disease occurs in Saskatchewan.
The mountain pine beetle is a significant threat to pine forests in Saskatchewan, and across Canada. Find out more about the status of the beetle in Saskatchewan and how the province's management efforts are having a positive impact.
The emerald ash borer, a destructive beetle native to Asia, has become established in eastern North America and has been found as far west as Winnipeg. Learn how the beetle spreads and what you can do to help protect ash trees in Saskatchewan's parks and urban forests.
More information is available about other insects and diseases affecting Saskatchewan Forests.