Choristoneura fumiferana, the eastern spruce budworm, is a species of moth of the family Tortricidae native to the eastern United States and Canada. The caterpillars feed on the needles of spruce and fir trees. Eastern spruce budworm populations can experience significant oscillations, with large outbreaks sometimes resulting in wide scale tree mortality. The first recorded outbreaks of the spruce budworm in the United States occurred in about 1807, and since 1909 there have been waves of budworm outbreaks throughout the eastern United States and Canada. In Canada, the major outbreaks occurred in periods circa 1910–20, c. 1940–50, and c. 1970–80, each of which impacted millions of hectares of forest. Longer-term tree-ring studies suggest that spruce budworm outbreaks have been recurring approximately every three decades since the 16th century, and paleoecological studies suggest the spruce budworm has been breaking out in eastern North America for thousands of years.
Budworm outbreaks can have significant economic impacts on the forestry industry. As a result, the eastern spruce budworm is considered one of the most destructive forest pests in North America, and various methods of control are utilized. However, the species is also ecologically important, and several bird species are specialised on feeding on budworms during the breeding season. Several theories exist to explain the cyclical budworm outbreaks.
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Choristoneurafumiferana, the eastern spruce budworm, is a species of moth of the family Tortricidae native to the eastern United States and Canada. The...
Important insect pests of white spruce include the spruce budworm (Choristoneurafumiferana), the yellow-headed spruce sawfly (Pikonema alaskensis), the European...
other insects that can harm Tamaracks, including spruce budworm (Choristoneurafumiferana), the larch-bud moth (Zeiraphera improbana), the spruce spider...
Columbia; the aspen-leaf miner; the larch sawfly; the spruce budworm (Choristoneurafumiferana); the spruce coneworm. The effect of sulphur dioxide on woody boreal...
the cyclical outbreaks of a species of the spruce budworm, the Choristoneurafumiferana. Since the melting of the great ice sheet, the boreal forest has...
beetle Tenebrio molitor (right-handed) and from the spruce budworm, Choristoneurafumiferana (left-handed), where regularly spaced threonines on the β-helices...
has been investigated as a method of biological control of the Choristoneurafumiferana, a major pest of spruce and fir forests. Nine species of Trichogramma...
HS; Jennings, DT (1989). "Predation by Birds on Spruce Budworm Choristoneura-Fumiferana Functional Numerical and Total Responses". Ecology. 70 (1): 152–163...
Insect antifreeze protein (CfAFP) Structure of Choristoneurafumiferana (spruce budworm) beta-helical antifreeze protein Identifiers Symbol CfAFP Pfam...
even in years of heavy infestation. The eastern spruce budworm (Choristoneurafumiferana) is a major pest of spruce trees in forests throughout Canada and...
hatching larvae before they can bore into the fruit. Choristoneurafumiferana larva Choristoneura lambertiana pupa Eumarozia malachitana Pandemis limitata...
example, genome and transcriptome analyses of the spruce budworm Choristoneurafumiferana resulted in identification of novel cecropins which differ from...
the fall webworm (Hyphantria cunea), and the spruce budworm (Choristoneurafumiferana). In 1923 he was transferred to the Forest Insect Division in Ottawa...
investigation of its efficacy as a feeding deterrent for spruce budworm [Choristoneurafumiferana (Clem.)]". Journal of Chemical Ecology. 12 (1): 251–260. doi:10...
Keirstead, Natalie; Stolz, Don (February 2002). "Multiparasitism of Choristoneurafumiferana by the ichneumonid Tranosema rostrale and the tachinid Actia interrupta :...
four chemosensory protein genes from the Eastern spruce budworm, Choristoneurafumiferana. Insect Mol Biol. 2005; 14: 289-300. 19. Ma C, Cui S, Tian Z, Zhang...
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