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Transparency showing the area severely infested by the spruce budworm 1909-1981 (in millions of hectares)
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Transparency map showing areas of spruce budworm infestation in eastern Canada, 1981
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Spruce budworm population In Nova Scotia, 1985 : [report]
Research notes and annotated drafts of The Enemy Above, an article on the aerial spraying of insecticides in New Brunswick to combat spruce budworm, published in Harrowsmith
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Research notes and annotated drafts of The Enemy Above, an article on the aerial spraying of insecticides in New Brunswick to combat spruce budworm, published in Harrowsmith
"Protection Against Spruce Budworm"
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"Protection Against Spruce Budworm"
Photographs of the destruction caused at Point Pleasant Park, Halifax, Nova Scotia, by the Brown Spruce longhorn beetle
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Photographs of the destruction caused at Point Pleasant Park, Halifax, Nova Scotia, by the Brown Spruce longhorn beetle
Photographs of recovery from Spruce budworm in Cape Breton Highlands National Park
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Photographs of recovery from Spruce budworm in Cape Breton Highlands National Park
Photographs of clearcutting and reforestation in Fundy National Park and Irving spruce plantations, New Brunswick
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Photographs of clearcutting and reforestation in Fundy National Park and Irving spruce plantations, New Brunswick
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Photograph showing woodpecker excavation of spruce budworm from tree trunk, Point Pleasant Park, Halifax, Nova Scotia
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Photograph showing woodpecker excavation of spruce budworm from tree trunk, Point Pleasant Park, Halifax, Nova Scotia
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Photograph showing size scale of spruce budworm exit hole
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Photograph showing severe resinosis in spruce budworm-infested tree
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Photograph showing resin flow under a full canopy, Point Pleasant Park, Halifax, Nova Scotia
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Photograph showing larval galleries of spruce budworm in Picea rubens
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Photograph showing Canadian Forest Service rearing chambers
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Photograph of underside canopy browning of a tree in Point Pleasant Park, Halifax, Nova Scotia
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Photograph of timber piles in Point Pleasant Park, Halifax, Nova Scotia
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Photograph of the stump of a spruce budworm damaged tree in Point Pleasant Park, Halifax, Nova Scotia
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Photograph of Tetropium fuscum (Brown spruce longhorn beetle) tunnels in a recently downed tree in Point Pleasant Park, Halifax, Nova Scotia
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Photograph of Tetropium fuscum (Brown spruce longhorn beetle) larval galleries and pupal chambers under bark of an infested tree
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Photograph of Tetropium fuscum (Brown spruce longhorn beetle) exit holes, Point Pleasant Park, Halifax, Nova Scotia
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Photograph of Tetropium fuscum (Brown spruce longhorn beetle) adult on a red spruce, Point Pleasant Park, Halifax, Nova Scotia
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Photograph of stored pulpwood, Highlands Road, Cape Breton
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Photograph of stored pulpwood, Highlands Road, Cape Breton
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Photograph of stored pulpwood, Highlands Road, Cape Breton
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Photograph of stored pulpwood, Highlands Road, Cape Breton
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Photograph of stored pulpwood, Highlands Road, Cape Breton
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Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
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Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
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Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
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Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
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Photograph of spruce budworm-killed forest in Cape Breton Highlands National Park
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Photograph of spruce budworm salvage cuts, Highlands Road, Cape Breton
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Photograph of spruce budworm salvage cuts in Cape Breton
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Photograph of spruce budworm salvage cuts in Cape Breton
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Photograph of spruce budworm emerging from tree
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Photograph of spruce budworm damaged trees, Point Pleasant Park, Halifax, Nova Scotia
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Photograph of spruce budworm aftermath, Highlands Road, Cape Breton
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Photograph of spruce budworm aftermath, Highlands Road, Cape Breton
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park
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Photograph of spruce budworm aftermath in Cape Breton Highlands National Park