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A New Species of Rhopalosiphum Koch
Published online by Cambridge University Press: 31 May 2012
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.
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- Copyright © Entomological Society of Canada 1962
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