spruce budworm


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spruce budworm

[‚sprüs ′bəd‚wərm]
(invertebrate zoology)
The larva of a common moth, Choristoneura fumiferana, that is a destructive pest primarily of spruce and balsam fir.
References in periodicals archive ?
Spruce budworm outbreaks happen every 35 years or so; the last one peaked in the early 1980s and the latest one began in Quebec in 2006.
Nonsaturating traps and long-life attractant lures for monitoring spruce budworm males.
Cbequamegon-Nicolel National Forest has been adversely affected by drought, spruce needlecast, and spruce budworm.
A tree-ring reconstruction of western spruce budworm outbreaks in the San Juan Mountains, Colorado, U.
Key words: Alces alces andersoni, balsam fir, browse, defoliation, forest succession, herbivory, moose, natural disturbance, regeneration, spruce budworm.
In the 1970s in New Brunswick, industry experts believed that a surge in the spruce budworm population was an immediate threat to the province's lumber industry.
However, this is mostly related to a single chemical used to control spruce budworm which is specific to forestry in the USA.
It started with the western spruce budworm, the larva of a harmless moth.
Lepidoptera: Lymantriidae) in birch trees (Higashium 1989, Thorpe and Ridgway 1992) or the spruce budworm, Choristoneura fumiferana (Clem.
Effect of spray droplet size and density on the efficacy of Bacillus thuringiensis Berliner against the spruce budworm, Choristoneura fumiferana (Clem.
Another benefit of the research may be a weapon in the fight against spruce budworm, which plagues the forests of eastern Canada, and the mealworm beetle commonly found in stored grains and animal feed.
Age structures show successive waves of aspen, birch, and fir recruitment, corresponding respectively to the post-fire cohort, the gradual dismissal of the first aspen cohort, and spruce budworm outbreaks.