Management of the western balsam bark beetle
Last updated on January 26, 2024On this page
Detection
The beetle is monitored using annual aerial overview surveys.
Strategies
Due to its complex biology, the western balsam bark beetle's damage is widespread with low severity. The western balsam bark beetle is managed primarily by harvesting dead and dying trees.
Tactics
Because of the low severity and scattered nature of western balsam bark beetle infestations, infested trees are targeted as they are encountered during harvest planning.
Hazard and risk rating
Western balsam bark beetle is found throughout the range of subalpine fir, its main host. Stands with high proportions of subalpine fir are most susceptible. Risk ratings have not been developed for this bark beetle.
Colour: dark brown and covered with erect, red-brown hairs
Size: very tiny – adults are 3.4 to 4.3 mm long (less than half a centimetre)
Life cycle: normally two years
Destroys: mainly subalpine fir; occasionally amabilis fir, even certain spruces
Latin name: Dryocoetes confusus