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LIST OF NORTH AMERICAN BOMBYCIÆ OF HUBNER
Published online by Cambridge University Press: 31 May 2012
Extract
Since I first catalogued our species of Bombyciæ, under Herrich-Schæffer's later designation of Cymatophorinæ, in the Proc. of the Entomological Society of Philadelphia for May, 1863, there have been but few additions to the group. Nor have the then debatable points been settled. The validity of expultrix as a “species” is still doubtful.
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- Copyright © Entomological Society of Canada 1881