LaBerge, W.E. 1977. A revision of the bees of the genus Andrena of the western Hemisphere. Part VIII. Subgenera Thysandrena, Dasyandrena, Psammandrena, Rhacandrena, Euandrena, Oxyandrena. Transactions of the American Entomological Society. 103(1): 1-143.

LaBerge, W.E. 1977. A revision of the bees of the genus Andrena of the western Hemisphere. Part VIII. Subgenera Thysandrena, Dasyandrena, Psammandrena, Rhacandrena, Euandrena, Oxyandrena. Transactions of the American Entomological Society. 103(1): 1-143.

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