Results 1 to 10 of about 382 (145)
A Foliar Endophyte of White Spruce Reduces Survival of the Eastern Spruce Budworm and Tree Defoliation [PDF]
Forests, 2020 Wild eastern spruce budworm (Choristoneura fumiferana Clemens) were reared on white spruce (Picea glauca (Moench) Voss) trees, half of which had been previously inoculated with a native endophytic fungus, Phialocephala scopiformis DAOM 229536 Kowalski and Kehr (Helotiales, Ascomycota). Survival up to pupation and up to adult emergence was approximately
Dan Quiring +2 more
exaly +4 more sources
Salvage decision-making based on carbon following an eastern spruce budworm outbreak [PDF]
Frontiers in Forests and Global Change, 2023 Forest disturbances, such as an eastern spruce budworm (Choristoneura fumiferana) outbreak, impact the strength and persistence of forest carbon sinks. Salvage harvests are a typical management response to widespread tree mortality, but the decision to ...
John Gunn, Marek Petrik, Mark J Ducey
exaly +4 more sources
The spruce budworm, a potential threat for Norway spruce in eastern Canada? [PDF]
The Forestry Chronicle, 2020 Norway spruce, an exotic tree species in North America, was largely used in reforestation programs in the province of Québec between 1972 and 1990. Several of these plantations are now reaching their commercial maturity and the resurgence of spruce ...
Richard Berthiaume +4 more
doaj +2 more sources
Composition of the Spruce Budworm (Choristoneura fumiferana) Midgut Microbiota as Affected by Rearing Conditions. [PDF]
PLoS ONE, 2015 The eastern spruce budworm (Choristoneura fumiferana) is one of the most destructive forest insect pests in Canada. Little is known about its intestinal microbiota, which could play a role in digestion, immune protection, communication and/or development.
Mathieu Landry +4 more
doaj +2 more sources
Ecosphere, 2020 Spruce budworm (SBW) outbreaks are a major natural disturbance in boreal forests of eastern North America. During large‐scale infestations, aerial spraying of bacterial insecticides is used to suppress local high‐density SBW populations.
Zelin Liu +6 more
doaj +2 more sources
The unpredictably eruptive dynamics of spruce budworm populations in eastern Canada
Population Ecology, Volume 67, Issue 4, Page 363-378, October 2025.We examine historical population data for spruce budworm from several locations through the period 1930–1997, and use density‐dependent recruitment curves to test whether the pattern of population growth over time is more consistent with Royama's (1984; Ecological Monographs 54:429–462) linear R(t) model of harmonic oscillation at Green River New ...
Barry J. Cooke, Jacques Régnière
wiley +2 more sources
Plasticity of cold hardiness in the eastern spruce budworm, Choristoneura fumiferana [PDF]
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2021 Abstract High latitude insect populations must cope with extreme conditions, particularly cold temperatures. Insects use a variety of cold hardiness mechanisms to withstand this temperature stress, and these can drive geographic distributions through overwintering mortality. The degree of cold hardiness can be altered
Skye Butterson +2 more
openaire +2 more sources
Frontiers in Ecology and Evolution, 2023 Eastern spruce budworm moth (Choristoneura fumiferana (Clem.)) mass outbreaks have widespread economic and ecological consequences. A key explanation for the large-scale spread and synchronization of these outbreaks is the long-distance dispersal (up to ...
Felipe Dargent +7 more
doaj +1 more source
Variation of Stem Radius in Response to Defoliation in Boreal Conifers
Frontiers in Forests and Global Change, 2021 In the long term, defoliation strongly decreases tree growth and survival. Insect outbreaks are a typical cause of severe defoliation. Eastern spruce budworm (Choristoneura fumiferana Clem.) outbreaks are one of the most significant disturbances of Picea
Lorena Balducci +2 more
doaj +1 more source
FACETS, 2020 Insect outbreaks can cover vast geographic areas making it onerous to cost-effectively monitor populations to address management or ecological questions.
R. Drew Carleton +16 more
doaj +1 more source