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White Spruce Seed Loss Caused by Insects in Interior Alaska

Published online by Cambridge University Press:  31 May 2012

R. A. Werner
R. A. Werner
Affiliation:
Northern Forest Experiment Station, Forest Service, U.S. Department of Agriculture, Juneau, Alaska
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Abstract

Insects caused serious damage to cones and seeds of white spruce during one of the five years of this study. A new seed and cone insect, Pegohylemyia sp., was recorded for the first time from Alaska. This insect destroyed an average of 50% of the seeds per cone.

Type
Articles
Information
The Canadian Entomologist , Volume 96 , Issue 11 , November 1964 , pp. 1462 - 1464
Copyright
Copyright © Entomological Society of Canada 1964

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References

Keen, F. P. 1958. Cone and seed insects of western forest trees. Tech. Bull. U.S. Dep. Agric. 1169, 168 pp.Google Scholar
Tripp, H. A. 1954. The instars of a maggot (Pegohylemyia) inhabiting white spruce cones. Canad. Ent. 86: 185–189.CrossRefGoogle Scholar
Tripp, H. A., and Hedlin, A. F.. 1956. An ecological study and damage appraisal of white spruce cone insects. For. Chron. 32: 400–410.CrossRefGoogle Scholar