Proceedings of the Entomological Society of Washington
Work of this group of bees was begun several years ago in Washington and is based on the collection of the U. S. National Museum, where the types of the species described in this paper as new are deposited. To this material there is added a species taken during work on the project of a Biological survey of North Carolina.
Crawford, J. C., "North American Bees of the Genus Panurginus" (1926). Co. Paper 193.
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