W. J.  Roltsch and Pickett, C. H., ?Developing habitat to support silverleaf whitefly natural enemies in California desert agriculture?, in IV California Conference on Biological Control, Berkeley, California, July 13, 14, & 15, 2004, 2004, pp. 45-52.

M. W.  Johnson and Krugner, R., ?Impact of legally compliant organic pesticides on natural enemies?, in IV California Conference on Biological Control, Berkeley, California, July 13, 14, & 15, 2004, 2004, pp. 69-75.

C. S.  Glenister, ?Rules and regulations governing commercial insectaries?, in IV California Conference on Biological Control, Berkeley, California, July 13, 14, & 15, 2004, 2004, pp. 83-87.