R. L.  Taylor, ?The arthropod fauna of Coniferous Leaders weeviled by <em>Pissodes strobi<em> (Peck.)?, Psyche, a Journal of Entomology, vol. 35, pp. 217-225, 1928.

O. A.  Johannsen, ?Order Diptera?, in List of the insects of New York with a list of the spiders and certain other allied groups, M. D.  Leonard, Ed. 1928, pp. 687-869.

C. W.  Stiles and Hassall, A., ?Key-catalogue of insects of importance in public health?, Hygienic Laboratory Bulletin, vol. 150, pp. 291-407, 1928.

J. C. H.  de Meijere, ?Vierde supplement op de nieuwe naamlijst van Nederlandische Diptera?, Tijdschrift voor Entomologie, vol. 71, pp. 11-83, 1928.