9

 Acknowledgements
We wish to express ur appreciation to A. Williford, E. Jones, Elsberry
Brothers, T. Brock nd G. C. Decou for their cooperation in this research, and
to M. A. Hoy, D. N. aynard, E. E. Albregts and C. K. Chandler for reviewing
early versions of the's manuscript and for their suggestions for improvement.

The Florida Strawber y Growers' Association, Plant City, and Koppert
Biological Control, he Netherlands, provided partial support for this
research.