Hurd, Paul D., Jr. <br/><br/>
Parasitic bees of the genus Holcopasites Ashmead (Hymenoptera : Apoidea) 

 - Washington :  Smithsonian Institution,  1972 
 - 41 p.  : ilus. 
 - Smithsonian contributions to zoology  ; 114 .
 - Smithsonian contributions to zoology  ; 114 .
<br/><br/><label>LCCN: </label>60066 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abejas parásitas.<br/>Holcopasites.