^Walker, F. (1850). Diptera. Part I, pp. 1-76, pls. 1-2. In [Saunders, W. W. (ed.)], Insecta Saundersiana: or characters of undescribed insects in the collection of William Wilson Saunders, Esq., F.R.S., F.L.S., &c. Vol. 1. London: Van Voorst. p. 474.
^Harris, T.W. (1835). Insects. Pp. 553-602. In Hitchcock, E., Report on the geology, mineralogy, botany, and zoology of Massachusetts. 2nd Edition. Amherst: J. S. & C. Adams. pp. [4] + 702 pp., 19 pls, 3 maps.
^ Burger, J. F. (1995). "Catalog of Tabanidae (Diptera) in North America north of Mexico". International Contributions on Entomology. 1 (1). Associated Publishers: 1–100.