1. Classification of the fossorial, predacious and parasitic wasps, or the superfamily Vespoidea. (Paper no. 7). Family XXIX. Eumenidae;Ashmead;Can. Entomol.,1902
2. A revision of the Vespidae of the Belgian Congo based on the collection of the American Museum Congo Expedition, with a list of Ethiopian diplopterous wasps;Bequaert;Bull. Am. Mus. Nat. Hist.,1918
3. The genus Ancistrocerus (Hymenoptera, Vespidae) in North America, with a partial key to species;Bequaert;Trans. Am. Entomol. Soc.,1925
4. Odynerus annectens de Saussure and related species, with additional notes on Odynerus hidalgo de Saussure (Hymenoptera, Vespidae);Bequaert;Ann. Entomol. Soc. Am.,1939
5. Systematisches Verzeichnis der Faltenwespen Mitteleuropas, Skandinaviens und Englands;Blüthgen;Konowia,1938a