Biosystematic studies of Ceylonese wasps, XX : a revision of Tach ysphex Kohl, 1883, with notes on other oriental species (Hymenoptera: S phecidae: Larrinae) - Krombein, Karl V.; Pulawski, Wojciech J. (Washington, D.C : Smithsonian Institution Press, 1994)
Includes bibliographical references.
Keywords: Wasps -- Sri Lanka -- Classification