TY  - BOOK
AU  - Hurd, Paul D., Jr.
AU  - Lensley, E. Gorton.
TI  - The principal Larrea bees of the Southwestern united States Hymenoptera: :Apoidea)
T2  - Smithsonian contributions to zoology
PY  - 1975///
CY  - Washington
PB  - Smithsonian Institution
KW  - Abejas
KW  - Hábitos y conducta
KW  - Larrea tridentata
ER  -