Krombein, Karl V. <br/><br/>
Biosystematic studies of Ceylonese wasps, V  : A monograph of the Ampulicidae (Hymenoptera: Sphecoidea) 

 - Washington :  Smithsonian Institution,  1979 
 - 29 p.  : ilus 
 - Smithsonian contributions to zoology  ; 298 .
 - Smithsonian contributions to zoology  ; 298 .
<br/><br/><label>LCCN: </label>4665 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Avispas.<br/>Entomología sistemática.<br/>Himenópteros.