ACKNOWLEDGEMENTS 



The author wishes to express his sincere appreciation to Dr. D. R. 

 Minnick, who served as chairman of the doctoral committee, for his coop- 

 eration in the pursuit of all investigations undertaken and the generous 

 donation of his time in counseling and guidance. Sincere thanks are ex- 

 tended to Dr. C. W. McCoy for his guidance and assistance in the prepara- 

 tion of this manuscript. In addition the author wishes to thank Dr. 

 C. W. McCoy and Dr. L. G. Albrigo for their assistance in preparation 

 and interpretation of the scanning electron microscope series. 



He also wishes to thank Dr. F. A. Johnson and Dr. L. C. Kuitert 

 for both serving on the doctoral committee and their guidance in em- 

 barking upon a degree in entomology. 



The author thanks Dr. F. W. Zettler for his donation of time in ser- 

 ving on the doctoral committee. He wishes to express sincere gratitude 

 to Dr. R. J. Gouger of I.C.I. United States, Inc. for his help in the 

 field evaluations of acaricides and guidance in choosing an industrial 

 career. 



He would like to thank Dr. Frank Martin, John Schullenberger, and 

 Tim Breeden, Department of Statistics, UP, Gainesville, for help in de- 

 signing, analyzing, and interpreting statistical tests used in this pro- 

 ject. 



He wishes especially to thank Mrs. Marcy Lomax of Atlanta, Georgia, 

 for her patience, and donation of typing skills in the typing of this 

 manuscript. 



Tli. 



