TY  - BOOK
AU  - Griffin,Brian L.
TI  - The Orchard mason bee (Osmia lignaria propinqua Cresson): the life history, biology, propagation, and use of a North American native bee 
SN  - 096358412X
AV  - SF539.8.O73 G74 1999
PY  - 1999///
CY  - Bellingham, WA
PB  - Knox Cellars Pub.
KW  - Orchard mason bee
N1  - Includes bibliographical references (p. 124-125)
UR  - https://depts.washington.edu/hortlib/book/the-orchard-mason-bee/
ER  -