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THREE NEW SPECIES OF APHIDS FROM IDAHO
Published online by Cambridge University Press: 31 May 2012
Extract
The species here described were collected by Walter R. Sweadner, Department of Zoology, University of Pittsburgh, during 1932. The writer is also indebted to Doctor E. H. Graham, Carnegie Museum, Pittsburgh, Pennsylvania, for the identification of the host plant material.
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- Copyright © Entomological Society of Canada 1933
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