Krombein, Karl V. <br/><br/>
Biosystematic studies of Ceylonese wasps, VIII :  a monograph of the Philanthidae; Hymenoptera Sphecoidea / 
Karl V. Krombein 
 - City of Washington :  Smithsonian Institution Press,  1981 
 - 75 p. ;  26 cm. 
 - Smithsonian contributions to zoology  no.343 .
<br/><br/>Bibliography: p.54-55 
<br/><br/><label>LCCN: </label>81-607805 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philanthidae--Classification<br/>Insects--Classification<br/>Insects--Classification--Sri Lanka