Krombein, Karl V. <br/><br/>
Biosystematic studies of Ceylonese wasps, XX :    a revision of Tach ysphex Kohl, 1883, with notes on other oriental species (Hymenoptera: S phecidae: Larrinae) /  
Karl V. Krombein and Wojciech J. Pulawski 
 - Washington, D.C :    Smithsonian Institution Press,    1994. 
 - iv, 106 p. :    ill. ;    28 cm. 
 - Smithsonian contributions to zoology ;    no. 552 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Wasps -- Classification.-- Sri Lanka 
<br/><br/><label>Dewey Class. No.: </label>595.798