Nesting biology of the solitary bee Andrena (Melandrena) nigroaenea (Hymenoptera, Andrenidae)
Polidori, C., Scanni, B., Scamoni, E., Giovanetti, M., Andrietti, F., & Paxton, R. J. (2005). Nesting biology of the solitary bee Andrena (Melandrena) nigroaenea (Hymenoptera, Andrenidae). Italian Journal of Zoology, 72, 19-30.