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Choristoneura fumiferana (spruce budworm)
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Plasticity of cold-hardiness in the eastern spruce budworm, Choristoneura fumiferana
2020Of all abiotic factors that drive range boundaries, temperature is the best studied because of its pervasive influence on biological processes. For populations at high-latitudes, extreme cold and the populations’ cold-hardiness set the range boundary. Phenotypic plasticity, where a single genotype results in differentiated phenotypes under differential
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Occurrence of in the spruce budworm, Choristoneura fumiferana
Insect Biochemistry, 1977D.J. Durzan, J.A. Pitel
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Observations on Geo-Orientation of Spruce Budworm, Choristoneura fumiferana, Adults
Annals of the Entomological Society of America, 1964Field and laboratory observations were made on resting, copulatory, and ovipositional orientation to gravity of the spruce budworm, Choristoneura fumiferana (Clemens). While at rest more than 50% of the moths oriented geonegatively within 30° of the vertical. Less than 2% oriented geopositively.
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Journal of Invertebrate Pathology, 1985
Richard A. Nolan, Christopher J. Clovis
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Richard A. Nolan, Christopher J. Clovis
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Oviposition Site of the Spruce Budworm, Choristoneura fumiferana, Modified by Light
Annals of the Entomological Society of America, 1964Adult females of Choristoneura fumiferana (Clemens) become sluggish in light. Tests were conducted to determine what effect this behavior in light would have on the oviposition site on a host branch. In the tests, moths were released in chambers constructed to permit illumination of either the basal half or the apical half of the branch.
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Species delimitation in the Choristoneura fumiferana species complex (Lepidoptera: Tortricidae)
2010Species identifications have been historically difficult in the economically important spruce budworm (Choristoneura fumiferana) pest complex. Morphological, ecological, behavioural, and genetic characters have been studied to try to understand the taxonomy of this group, but diagnostic character states differ in frequency rather than being complete ...
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