Mamaev, B.M. & Krivosheina, N.P., 1988. Family Ditomyiidae. In A.  Soos & Papp, L. [Eds]., eds. Catalogue of Palaearctic Diptera. Volume 3. Ceratopogonidae - Mycetophilidae. Catalogue of Palaearctic Diptera. Volume 3. Ceratopogonidae - Mycetophilidae.  Amsterdam, Oxford etc.: Elsevier Science Publishers, pp. 1-448. Chapter paginatio. Available at: http://www.online-keys.net/sciaroidea/add01/Mamaev_&_Krivosheina_1988_Family_Ditomyiidae.pdf.