M.  Jervis, ?A Dipterist's Handbook?, in The Amateur Entomologist, vol. 15, A.  Stubbs and Chandler, P., Eds. Hanworth, Middlesex: The Amateur Entomologists' Society, 1978, pp. 173-176.

M. C. D.  Speight, ?Flower visiting flies?, in The Amateur Entomologist, vol. 15, A.  Stubbs and Chandler, P., Eds. Hanworth, Middlesex: The Amateur Entomologists' Society, 1978, pp. 229-236.