F. R.  Cole and Lovett, A. L., ?An annotated list of the Diptera (Flies) of Oregon?, Proceedings of the California Academy of Sciences, vol. 11, pp. 197-344, 1921.

F. R.  Cole, ?A study of the terminal abdominal structures of male Diptera (two-winged flies)?, Proceedings of the California Academy of Sciences, vol. 16, pp. 397-499, 1927.

C. H.  Curran, ?The Templeton Crocker Expedition of the California Academy of Sciences, 1932?, Proceedings of the California Academy of Sciences, vol. 21, pp. 147-172, 1934.

C. H.  Curran, ?The Templeton Crocker Expedition to the western Polynesian and Melanesian islands, 1933. No. 30. Diptera?, Proceedings of the California Academy of Sciences, vol. 22, pp. 1-66, 1936.

E. G.  Linsley and Usinger, R. L., ?Insects of the Galapagos Islands?, Proceedings of the California Academy of Sciences, vol. 33, pp. 113-196, 1 table, 1966.