Seeley Swan Pathfinder -

By Brad French
Service Forester DNRC Clearwater Unit 

Melting snow means forest insect pest management

 

Brad French

Each species of bark beetle leaves a unique pattern that aids in identification. Douglas-fir beetle larvae travel perpendicular and outward from the parent beetle's initial chamber.

Springtime is here. For a lot of forest landowners it means getting back into the woods on their property for cleanup and upkeep. It also means that forest insects start to show themselves again.

Forest insects are found throughout Montana, with some being more of a problem than others depending on conditions. Below are a few facts that may help forest landowners address concerns.

Douglas-fir beetles typically infest damaged, sickly or recently broken Douglas-fir trees. With last year's windthrow, snow breakage and the 2017 fires, there is an expected rise in activity from these beetles....



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