Transparency showing the area severely infested by the spruce budworm 1909-1981 (in millions of hectares)
Transparency map showing areas of spruce budworm infestation in eastern Canada, 1981
Spruce budworm population In Nova Scotia, 1985 : [report]
"Protection Against Spruce Budworm"
"Protection Against Spruce Budworm"
Photograph showing woodpecker excavation of spruce budworm from tree trunk, Point Pleasant Park, Halifax, Nova Scotia
Photograph showing woodpecker excavation of spruce budworm from tree trunk, Point Pleasant Park, Halifax, Nova Scotia
Photograph showing size scale of spruce budworm exit hole
Photograph showing severe resinosis in spruce budworm-infested tree
Photograph showing resin flow under a full canopy, Point Pleasant Park, Halifax, Nova Scotia
Photograph showing larval galleries of spruce budworm in Picea rubens
Photograph showing Canadian Forest Service rearing chambers
Photograph of underside canopy browning of a tree in Point Pleasant Park, Halifax, Nova Scotia
Photograph of timber piles in Point Pleasant Park, Halifax, Nova Scotia
Photograph of the stump of a spruce budworm damaged tree in Point Pleasant Park, Halifax, Nova Scotia
Photograph of Tetropium fuscum (Brown spruce longhorn beetle) tunnels in a recently downed tree in Point Pleasant Park, Halifax, Nova Scotia
Photograph of Tetropium fuscum (Brown spruce longhorn beetle) larval galleries and pupal chambers under bark of an infested tree
Photograph of Tetropium fuscum (Brown spruce longhorn beetle) exit holes, Point Pleasant Park, Halifax, Nova Scotia
Photograph of Tetropium fuscum (Brown spruce longhorn beetle) adult on a red spruce, Point Pleasant Park, Halifax, Nova Scotia
Photograph of stored pulpwood, Highlands Road, Cape Breton
Photograph of stored pulpwood, Highlands Road, Cape Breton
Photograph of stored pulpwood, Highlands Road, Cape Breton
Photograph of stored pulpwood, Highlands Road, Cape Breton
Photograph of stored pulpwood, Highlands Road, Cape Breton
Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
Photograph of spruce budworm salvage cuts, Highlands Road, Cape Breton
Photograph of spruce budworm salvage cuts in Cape Breton
Photograph of spruce budworm salvage cuts in Cape Breton
Photograph of spruce budworm emerging from tree
Photograph of spruce budworm damaged trees, Point Pleasant Park, Halifax, Nova Scotia
Photograph of spruce budworm aftermath, Highlands Road, Cape Breton
Photograph of spruce budworm aftermath, Highlands Road, Cape Breton
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
Photograph of spruce budworm aftermath in Cape Breton Highlands National Park