R. C.  Shannon, ?Review of the American xylotine syrphid-flies?, Proceedings of the United States National Museum, vol. 69, pp. 1-52, 1926.

E. W.  Ferguson, ?Revision of Australian Syrphidae (Diptera). Part i?, Proceedings of the Linnean Society of New South Wales, vol. 51, pp. 137-183, 1926.

E. W.  Ferguson, ?Revision of Australian Syrphidae (Diptera). Part ii, with a supplement to part i?, Proceedings of the Linnean Society of New South Wales, vol. 51, pp. 517-544, 1926.

P.  Sack, ?Syrphiden (Dipteren) von den Philippinen und Malaya?, The Philippine Journal of Science, vol. 29, pp. 563-596, 1926.

J.  Hervé-Bazin, ?Syrphides de l?Indo.Chine Francaise?, in Encyclopédie Entomologique, vol. 2, 1926, pp. 61-110.

H. C.  Efflatoun, ?Further notes on Egyptian Syrphidae with description of a new species?, Bulletin de la Société Royale Entomologique d?Egypte, pp. 295-304, 1926.

C. H.  Curran, ?Partial synopsis of American species of Volucella with notes on Wiedemann?s types?, Annals of the Entomological Society of America, vol. 19, pp. 50-66, 1926.