Laboratory rearing of spruce budworm, Choristoneura fumiferana, in conjunction with field rearing, gravimetric analyses, a transfer experiment, and foliage chemical analyses at six dates during the ...

Measurements of foliage quality, physiological, and phenological condition of sample trees were used as independent variables in multiple correlation analyses to determine their effect on female and ...

A spraying program is quadrupling to battle rising spruce budworm numbers in western Newfoundland, but Parks Canada has decided to opt out of the effort and let nature take its course within Gros ...

Add Yahoo as a preferred source to see more of our stories on Google. Spruce budworm can defoliate spruce and fir trees, and their numbers are rising in western Newfoundland. (Eric Moise/Canadian ...

Needles on a jack pine branch are browned and curled after the tree was infested with budworm. (Left); A group of jack pine trees that have been infested with jack pine budworm show browned needles on ...

The spruce budworm is a moth species known for its destructive nature. While native to North America and parts of Europe, it has quickly become a menace in Canada’s coniferous forests, with ...

Nov. 18—A spruce budworm outbreak has plagued Maine's northern borders for nearly two decades, with the tree-killing moths making sporadic incursions from Quebec but never reaching numbers that ...

The Budworm Tracker program, which involved field reports from 'citizen scientists,' received an "unheard of" 90 per cent return rate on the data, says Rob Johns, a forest insect ecologist with ...

The B.C. government has aerial-sprayed a record 108,000 hectares this summer in the Interior to combat a massive and sustained budworm outbreak that is wreaking havoc on valuable Douglas fir forests.

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