New Californian Osmiinae (Hymen., Megachilidae)
The present paper includes descriptions of a few of the many new bees of the subfamily Osmiinae found in this state. For the present types will be retained in the author's collection.
Michener, Charles D.
"New Californian Osmiinae (Hymen., Megachilidae),"
Bulletin of the Southern California Academy of Sciences:
Available at: https://scholar.oxy.edu/scas/vol35/iss2/4