Krombein, Karl V. <br/><br/>
Biosystematic studies of Ceylonese wasps, XIII :  a monograph of the Stizinae (Hymenoptera Sphecoidea, Nyssonidae) / 
Karl V. Krombein 
 - Washington :  Smithsonian Institution Press,  1984 
 - 37 p. :  ill. ;  26 cm. 
 - Smithsonian contributions to zoology  no. 388 .
<br/><br/><label>LCCN: </label>83-016774 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sphecidae--Classification<br/>Insects--Classification<br/>Insects--Classification--Sri Lanka