Andrena (Melandrena) impolita LaBerge 1986

LaBerge 1986. A revision of the bees of the genus Andrena of the Western Hemisphere. Part 12. Subgenera Leucandrena, Ptilandrena, Scoliandrena and Melandrena. Transactions of the American Entomological Society (Philadelphia), 112(3) 1986: 191-248