Results 101 to 110 of about 382 (145)

A review of the interaction between forest birds and eastern spruce budworm

Environmental Reviews, 2010
The eastern spruce budworm, Choristoneura fumiferana Clem., (hereafter budworm) is responsible for the largest areas of insect-caused disturbance in North America, and as such, is an important part of spruce–fir forest change and succession. The insectivorous forest bird community shows large and rapid responses to budworm outbreaks.
L.A. Venier, S.B. Holmes
exaly   +3 more sources

Surviving in a Frozen Forest: the Physiology of Eastern Spruce Budworm Overwintering

Physiology, 2021
The eastern spruce budworm, Choristoneura fumiferana, is one of North America’s most destructive forest insects. It survives the harsh winters by deploying both a sophisticated diapause program and a complex suite of cryoprotective molecules. The spruce budworm’s cryoprotective biochemistry could revolutionize organ storage and transplants.
Katie E. Marshall, Amanda D. Roe
openaire   +3 more sources

The Geography of Spruce Budworm in Eastern North America

Geography Compass, 2011
Abstract Spruce budworm ( Choristoneura fumiferana ) is a native insect that defoliates needleleaf trees, especially balsam fir ( Abies balsamea ) and spruces ( Picea spp.), in northern North ...
Julia Rauchfuss, Susy Svatek Ziegler
openaire   +2 more sources

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SPATIAL SYNCHRONY OF SPRUCE BUDWORM OUTBREAKS IN EASTERN NORTH AMERICA

Ecology, 2000
We investigated the spatial synchrony of outbreaks of the spruce budworm, Choristoneura fumiferana,over much of its outbreak range in eastern North America during the period 1945-1988. Spatial synchrony decreased with distance between local populations and approached zero near 2000 km. Investigation of the synchrony of local population time series with
David W Williams, Andrew M Liebhold
exaly   +4 more sources

Black spruce decline triggered by spruce budworm at the southern limit of lichen woodland in eastern Canada

Canadian Journal of Forest Research, 2001
Black spruce (Picea mariana (Mill.) BSP) is the dominant tree species of the southernmost (48°N) lichen woodlands in eastern Canada. Most spruce trees in mature lichen woodlands appear to be declining, as shown by the massive invasion of the epiphytic lichen Bryoria on dead branches of dying trees.
Martin Simard, Serge Payette
openaire   +2 more sources

The Economics of Spruce Budworm Monitoring and Management in Eastern Canada

This dissertation uses techniques that were developed for renewable natural resource and invasive pest management to describe the two principal challenges of eastern spruce budworm (SBW) monitoring and management in Eastern Canada, with a specific focus on the province of Quebec.
Holm Perrault, Alexandre Ismaël Eliot
openaire   +3 more sources

Understanding the Role of Secondary Metabolites and Endophytic Fungi in White Spruce Defenses Against Eastern Spruce Budworm

, 2023
As a boreal tree species, white spruce (Picea glauca Moench Voss) is under a constant threat by outbreaks of defoliators (foliar feeders) including eastern spruce budworm (Choristoneura fumiferana). Historically, applications of biological insecticides and silvicultural treatments have been used to improve white spruce resistance against the eastern ...
Ullah, Aziz
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Differential defoliation and mortality of white spruce and balsam fir by eastern spruce budworm

Forest Ecology and Management, 2022
Jalene M Lamontagne
exaly   +2 more sources

Influence of epicuticular waxes from white spruce and balsam fir on feeding behavior of the eastern spruce budworm

Journal of Insect Behavior, 1988
Fourth-instar larvae of the eastern spruce bud-worm Choristoneura fumiferanaClem. (Lepidoptera: Tortricidae) were shown in two-choice feeding tests to respond differently to epicuticular waxes from different white spruce and balsam fir trees. Larvae also showed different preferences for various wax fractions obtained by separation on silicic acid.
P J Albert, A P Tulloch, Albert P J
exaly   +2 more sources

Control of Eastern Spruce Budworm on Blue Spruce with Kryocide, 1983

Insecticide and Acaricide Tests, 1985
Abstract Two rates of Kryocide were tested for efficacy against fifth instar spruce budworm on Christmas trees in Colebrook, N.H. Treatment trees were about 1.5 meters tall. Four budworm-infested trees were randomly seleced for each treatment.
Stanley R. Swier, Tom Scully
openaire   +1 more source