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Published online by Cambridge University Press: 31 May 2012
Aphids of many kinds persist in causing injury to range plants as well as to shade, forest, ornamental and crop plants. The following report deals largely with aphids taken in Utah and nearby states. The writer is indebted to Dr. A.A. Granovsky of the University of Minnesota for identifying a number of the species belonging to the tribe Callipterini.
2 Unless otherwise indicated, locality is in Utah and specimens have been collected by the writer.