A. A.  Shtakel'berg, ?73. family Lonchaeidae?, in Keys to the insects of the European USSR  V 5, pt. 1-2. Diptera and Siphonaptera. (English version)., vol. 5, Y.  G. Bei-Bienko, Ed.  Washington:  Smithsonian Institution Libraries and the National Science Foundation. 1988.  English translation, 1989, pp. 358- 373.