Biosystematic studies of Ceylonese wasps. XXI, A revision of the Bethylinae and Epyrinae (Cephalonomiini and Sclerodermini) (Hymenoptera:Bethylidae) /
Krombein, Karl V.
Biosystematic studies of Ceylonese wasps. XXI, A revision of the Bethylinae and Epyrinae (Cephalonomiini and Sclerodermini) (Hymenoptera:Bethylidae) / Karl V. Krombein. - Washington, D.C. : Smithsonian Institution Press, 1996. - 29 p. : ill. ; 28 cm. - Smithsonian contributions to zoology ; no. 579 .
Companion to: Smithsonian contributions to zoology ; no. 579
Biosystematic studies of Ceylonese wasps. XXI, A revision of the Bethylinae and Epyrinae (Cephalonomiini and Sclerodermini) (Hymenoptera:Bethylidae) / Karl V. Krombein. - Washington, D.C. : Smithsonian Institution Press, 1996. - 29 p. : ill. ; 28 cm. - Smithsonian contributions to zoology ; no. 579 .
Companion to: Smithsonian contributions to zoology ; no. 579