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A LIST OF CALIFORNIA APHIDIDÆ

Published online by Cambridge University Press:  31 May 2012

Warren. T. Clarke
Affiliation:
Berkeley, Calif.

Extract

Our knowledge of the group Aphididæ in California has been limited in the past to certain forms that were of economic importance in their relations to cultivated crops. No systematic list of these interesting insects has heretofore been attempted in this region, and this has not been due to any lack of material, for the varying conditions of climate here seem to be particularly favorable to them.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1903

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