C. H.  Hoffmann, ?Additions to annotated lists of insects reared from elm bark and wood.?, Bulletin of the Brooklyn Entomological Society, vol. 35, pp. 54-63, 1940.

J. C.  Bradley, ?Descriptions and records of some interesting parasitic Hymenoptera mostly collected by Mr. Hachiro Yuasa in Tompkins County, New York.?, Bulletin of the Brooklyn Entomological Society, vol. 13(5), pp. 97-106, 1918.

L. L.  Pechuman, ?An annotated list of insects found in the bark and wood of Ulmus americana L. in New York State.?, Bulletin of the Brooklyn Entomological Society, vol. 32, pp. 8-21, 1937.

G. E.  Nettleton, ?A change of name in Hymenoptera.?, Bulletin of the Brooklyn Entomological Society, vol. 33, p. 9, 1938.