C. R.  Osten Sacken, ?Catalogue of the described Diptera of North America. [Ed.2]?, Smithsonian Miscellaneous Collections, vol. 16(2[=publ, p. xlviii + 276 pp, 1878.

F. R.  Cole, ?Milichiidae?, in The flies of Western North America, F. R.  Cole and Schlinger, E., Eds. Berkeley & Los Angeles: University of California Press, 1969, pp. 387-390.