O. A.  Johannsen, ?Order Diptera?, in List of the insects of New York with a list of the spiders and certain other allied groups, M. D.  Leonard, Ed. 1928, pp. 687-869.

C. H.  Curran, ?Family Phyllomyzidae?, in The families and genera of North American Diptera, C. H.  Curran, Ed. Woodhaven, N.Y.: Henry Tripp, 1934, pp. 334-338.

C. W.  Johnson, Part I. The insect fauna with references to the flora and other biological features. Philadelphia: The Wistar Institute of Anatomy and Biology, 1927, p. 247 pp.

W.  Procter, Part VI. The insect fauna with references to methods of capture, food plants, the flora and other biological features. Philadelphia: The Wistar Institute of Anatomy and Biology, 1938, p. 496 pp.

W.  Procter, Part VII. The insect fauna with references to methods of capture, food plants, the flora and other biological features. Philadelphia: The Wistar Institute of Anatomy and Biology, 1946, p. 566 pp.