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Additions and Revisions to the Genera of North American Caddisflies of the Family Brachycentridae With Special Reference to the Larval Stages (Trichoptera)
Published online by Cambridge University Press: 31 May 2012
Abstract
Larval characterizations for the genera of North American Brachycentridae are revised and two new genera created, bringing to five the total number now recognized on this continent. Previous concepts of larval morphology in Micrasema are emended. Discovery of the larval stage of Brachycentrus (Amiocentrus) aspilus Ross necessitates elevation of this subgenus to generic status. Association of larvae with the two North American species placed in Oligoplectrum necessitates removal of one, O. dimicki (Milne), to Micrasema. Discovery of all stages of a new species on Mount Hood, Oregon, necessitates creation of a new genus. A provisional larval key to the genera of the North American Brachycentridae is proposed and the phylogenetic relationships of the genera are discussed. Validity of the Asian genus Oligoplectrodes is questioned.
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- Copyright © Entomological Society of Canada 1965
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