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Observations on Laspeyresia fletcherana (Kearfott) (Lepidoptera: Olethreutidae) in Montana

Published online by Cambridge University Press:  31 May 2012

Robert E. Denton  and
Harold R. Dodge
Robert E. Denton
Affiliation:
Intermountain Forest and Range Experiment Station Forest Service, U.S. Department of Agriculture Ogden, Utah
Harold R. Dodge
Affiliation:
Intermountain Forest and Range Experiment Station Forest Service, U.S. Department of Agriculture Ogden, Utah
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Extract

In November 1958 a Douglas-fir (Pseudotsuga menziesii var. glauca (Beissn.) Franco) Christmas tree was received at the Missoula Forest Insect Laboratory with a note that it was infested with an insect that might be causing “Christmas-tree blight.” This term is commonly used by the trade to refer to any condition of foliage that might affect salability or price of Christmas trees. Several types of foliage-feeding insects, as well as fungi or poor site conditions, may cause “blighted” or discolored needles; however, on this tree the infestation proved to be caterpillars tunneling in the bark.

Type
Articles
Information
The Canadian Entomologist , Volume 94 , Issue 1 , January 1962 , pp. 102 - 105
Copyright
Copyright © Entomological Society of Canada 1962

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References

Forbes, W. T. M. 1923. The lepidoptera of New York and neighboring states. Primitive forms, microlepidoptera, pyraloids, bombyces. Cornell Univ. Agric. Expt. Sta. Mem. 68, pp. 390, 395.Google Scholar
Kearfott, W. D. 1907. New microlepidoptera. Canadian Ent. 39: 121.CrossRefGoogle Scholar