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A New Species and a New Subgenus of Sitomyzus Hille Ris Lambers (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, Ontario
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Extract

Sitomyzus was erected for a grass-feeding species of aphid, S. vibei H.R.L. which is known to occur only in Greenland (Hille Ris Lambers, 1952). In this paper a second species is desdribed from British Columbia, and a third, common, widespread species, Rhopalosiphum rhois Monell, is also assigned to this genus. The latter species is placed in Sitomyzus largely on the basis of similarities between the alate viviparae of rhois and those of other representatives of this genus. The apterae of rhois are very distinct however, and a new subgenus is herein erected for this species.

Type
Articles
Information
The Canadian Entomologist , Volume 92 , Issue 10 , October 1960 , pp. 770 - 775
Copyright
Copyright © Entomological Society of Canada 1960

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References

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