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A New Species of Rhopalosiphum Koch

Published online by Cambridge University Press:  31 May 2012

W. R. Richards
W. R. Richards
Affiliation:
Entomology Research Institute, Research Branch, Canada Department of Agriculture, Ottawa, Ontario
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Extract

The species described herein brings the number of described North American species of Rhopalosiphum Koch to thirteen. Only the apterous alienicolae of this species are known and these can be distinguished from the apterous alienicolae of other North American species by means of the key offered below.

Type
Articles
Information
The Canadian Entomologist , Volume 94 , Issue 9 , September 1962 , pp. 969 - 972
Copyright
Copyright © Entomological Society of Canada 1962

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References

Richards, W. R. 1960. A Synopsis of the Genus Rhopalosiphum Koch in Canada. Canadian Entomologist 92. Supplement 13.Google Scholar