A fairly regular, but not overly abundant hole-nesting Osmia. While small it is notable for have what looks like growths on its mandibles, making them quite distinctive. These elevations are probably used to help carry mud to the nests while forming partitions between their cells. (S. Droege, pers. comm.)
Nests are categorized as hollow or pithy stems, and social behavior is categorized as solitary to communal (Selfridge et al., 2017).
There are 40 records in the project database.
| GA | AL | WA | FR | CL | MO | HO | BA | BC | HA | CE | PG | AA | CV | CH | SM | KE | QA | CN | TA | DO | WI | SO | WO |
