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A Review of Plocamaphis Oestlund With Descriptions of Three New Species (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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Abstract

Plocamaphis Oestlund is composed of aphids chat live mostly on the roots and underground portions of the stems of species of Salix L. and of Populus L. The group is mainly Nearctic where seven of the eight known species occur. Three of the Nearctic species, bradleyi, bulbosa and ontarioensis, are described as new. P. amerinae (Hartig) is the only Palaearctic species known. P. flocculosa (Weed) is known to occur in Europe and North America and is probably Holarctic, although records from Siberia are lacking.

Type
Articles
Information
The Canadian Entomologist , Volume 98 , Issue 8 , August 1966 , pp. 835 - 851
Copyright
Copyright © Entomological Society of Canada 1966

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