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New Genera and Species of Rose-Infesting Aphids (Homoptera: Aphididae)

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, Canada
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Extract

The two new genera and species described in this paper can be distinguished from other rose-infesting aphids in North America by means of the key given below. Specimens of Macrosiphum nigromaculosum Macdougall were not available for examination and this species has been worked into the key on the basis of descriptions by Macdougall (1926) and Palmer (1952).

Type
Articles
Information
The Canadian Entomologist , Volume 93 , Issue 8 , August 1961 , pp. 622 - 625
Copyright
Copyright © Entomological Society of Canada 1961

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References

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