C. W.  Johnson, ?A list of the insects fauna of Nantucket, Massachusetts?, Publications of the Nantucket Maria Mitchell Association, vol. 3(2), p. 174 pp + xviii, 1930.

C. H.  Curran, ?Report on the Diptera collected at the station for the study of insects, Harriman Interstate Park, N. Y?, Bulletin of the American Museum of Natural History, vol. 61(1931), pp. 21-115, 1930.