Synonyms and other taxonomic changes
Osmia purpurascens
Range
British Columbia to Quebec and the New England states, south to California, Oklahoma and Georgia.
Native to the western US.
Life Cycle
Lecontella brunnea (Spinola) was reared from the nest of Osmia lignaria - blue orchard bee by Jack Neff.
Remarks
It is being managed and developed for use as fruit trees pollinator.
Internet References
Wings in Flight. a commercial site with good information on bee housing.