Hurd, Paul David, 1921-  Hurd, Paul David, 1921- <br/><br/>
The principal Larrea bees of the southwestern United States (Hymenoptera, Apoidea) / 
Paul D. Hurd, Jr., and E. Gorton Linsley. 
 - Washington :  Smithsonian Institution Press,  1975. 
 - Smithsonian contributions to zoology ;  no. 193 .
<br/><br/>Bibliography: p. 70-74. 
<br/><br/><label>LCCN: </label>74022289 //r853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bees -- Southwest, New.--Bees -- Southwest, New.<br/>Insect-plant relationships -- Southwest, New.--Insect-plant relationships -- Southwest, New.<br/>Creosote bush.<br/>Insects -- Southwest, New.--Insects -- Southwest, New.
<br/><br/><label>LC Class. No.: </label>QL1  QL568.A6  / .S54 no. 193 
<br/><br/><label>Dewey Class. No.: </label>591/.08 s  595.7/9 
<br/><br/><label>Gov. Doc. Class. No.: </label>SI 1.27:193