M.  Sasakawa, ?Notes on Japanese Lonchaeidae (Diptera) 1.  ?, Akitu, vol. 7, p. 44, 1958.

J. F.  McAlpine, ?Identities of Lonchaeid Flies described by Zetterstedt, with notes on Related Species (Diptera).?, The Canadian Entomologist, vol. 90, pp. 402 - 418, 1958.