J. M.  Aldrich, ?New Diptera or two-winged flies in the United States National Museum?, Proceedings of the United States National Museum, vol. 66, pp. 1-36, 1925.

J. R.  Malloch and , ?Keys to flies of the families Lonchaeidae, Pallopteridae, and Sapromyzidae of the eastern United States, with a list of the species of the District of Columbia region?, Proceedings of the United States National Museum, vol. 65, no. 2525, pp. 1-266, 1924.