Á.  Soós and Papp, L., ?Catalogue of Palaearctic Diptera. Vol. 9: Micropezidae - Agromyzidae?, in Catalogue of Palaearctic Diptera. Vol. 9: Micropezidae - Agromyzidae, 1984, pp. 19?35.

X.  Wang, ?Determination tables of the Western Palaearctic Chamaepsila species (Diptera: Psilidae)?, Stuttgart-based contributions to the natural history, vol. 417, pp. 1?13, 1988.