A. E.  Gibbs and Barraud, P. J., ?A preliminary list of Herfordshire Diptera?, Transactions of the Hertfordshire Natural History Society, vol. 13, pp. 249-276, 1908.

S. W.  Williston, ?XLI. Family Agromyzidae?, in Manual of North American Diptera. Ed. 3, 1908, pp. 291-296.