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A Monomorphic Cycle of Adelges cooleyi (Gill.) (Homoptera: Phylloxeridae) Living Only on Spruce1

Published online by Cambridge University Press:  31 May 2012

Margaret E. P. Cumming
Margaret E. P. Cumming
Affiliation:
Formerly Research Officer, Forest Entomology and Pathology Laboratory, Calgary, Alberta
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Extract

A generation of wingless females of Adelges cooleyi (Gill.) is widespread on the needles of planted spruce in the Prairie Provinces of Canada and occurs on native spruces in the boreal region and in the Rocky Mountains. In order to distinguish this generation from the polymorphic cycle, it is referred to here as a ‘monomorphic cycle’.

Type
Articles
Information
The Canadian Entomologist , Volume 94 , Issue 11 , November 1962 , pp. 1190 - 1195
Copyright
Copyright © Entomological Society of Canada 1962

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References

Annand, P. N. 1928. A contribution toward a monograph of the Adelginae (Phylloxeridae) of North America. Stanford Univ. Press.Google Scholar
Cumming, Margaret E. P. 1959. The biology of Adelges cooleyi (Gill.) (Homoptera: Phylloxeridae). Can. Ent. 91: 601–617.CrossRefGoogle Scholar