TY  - BOOK
AU  - Krombein,Karl V.
TI  - Trap-nesting wasps and bees: : life histories, nests, and associates / 
T2  - Smithsonian publication
AV  - QL569 .K84
U1  - 595.799 19
PY  - 1967///
CY  - Washington
PB  - Smithsonian Press
KW  - Wasps
KW  - Vespas
KW  - Bees
KW  - Abelhas
ER  -