STATE OF ILLINOIS DEPARTMENT OF REGISTRATION AND EDUCATION 



BOARD OF NATURAL RESOURCES AND CONSERVATION 

 John C. Watson, Chairman; Thomas Park, Ph.D., Biology; L. L. Sloss, Ph.D., Geology; Roger Adams, Ph.D., 

 D.Sc, Chemistry ; Robert H. Anderson, B.S.C.E., Engineering; Charles E. Olmsted, Ph.D.. Forestry; W. L. 

 Everitt. E.E., Ph.D., Representing the President of the University oj Illinois; Delyte W. Morris, Ph.D., President 

 of Southern Illinois University. 



NATURAL HISTORY SURVEY DIVISION, Urbona, 



SCIENTIFIC AND TECHNICAL STAFF 



Harlow B. Mills, Ph.D., Chief 



Herbert H. Ross, Ph.D., Assistant Chief 



Robert O. Watson, B.S., Assistant to the Chief 



linois 



Section of Economic Entomology 



W. H. Luckmann, Ph.D., Entomologist and Head 

 Willis N. Bruce, Ph.D., Entomologist 

 Ronald H. Meyer, Ph.D., Associate Entomologist 

 Robert D. Pausch, Ph.D., Assistant Entomologist 

 James E. Appleby', Ph.D., Associate Entomologist 

 Ralph E. Sechriest, Ph.D., Assistant Entomologist 

 Joseph V. Maddox, M.S., Technical Assistant 

 Dannel McCollum, B.A., Technical Assistant 

 Gregory' P. Marsh, B.S., Technical Assistant 

 Sue E. Watkins, Junior Scientific Assistant 

 H. B. Petty, Ph.D., Entomologist in Extension* 

 Stevenson Moore, III, Ph.D., Associate Entomologist in 



Extension* 

 Roscoe Randell, M.S., Technical Assistant in Exten- 

 sion* 

 Clarence E. White, B.S., Technical Assistant in Exten- 

 sion* 

 Jean G. Wilson, B.A., Research Associate* 

 Amal C. Banerjee, M.S., Research Assistant* 

 Ayten Hatiboglu, B.S., Research Assistant* 



Section of Faunistic Surveys and 

 Insect Identification 



H. H. Ross, Ph.D., Assistant Chief and Head 

 Milton W. Sanderson, Ph.D., Taxonomist 

 Lewis J. Stannard, Jr., Ph.D., Taxonomist 

 Philip W. Smith, Ph.D., Taxonomist 

 Leonora K. Gloyd, M.S., Assistant Taxonomist 

 Wallace E. LaBerge, Ph.D., Associate Taxonomist 

 Robert T. Allen, M.S., Technical Assistant 

 George L. Rotramel, B.S.., Technical Assistant 

 Bernice Sweeney', Technical Assistant 

 Bess White, A.B., Technical Assistant 

 Gerald L. Nordin, Laboratory Assistant 

 John D. Unzicker, M.S., Research Assistant* 

 Toshio Yamamoto, M.S., Research Assistant* 



Section of Aquatic Biology 



George W. Bennett, Ph.D., Aquatic Biologist and Head 



William C. Starrett, Ph.D., Aquatic Biologist 



R. W. Larimore, Ph.D., Aquatic Biologist 



David H. Buck, Ph.D., Associate Aquatic Biologist 



Robert C. Hiltibran, Ph.D., Associate Biochemist 



Donald F. Hansen, Ph.D., Associate Aquatic Biologist 



William F. Childers, Ph.D., Assistant Aquatic Biologist 



Paul A. Fishman, B.S., Research Assistant 



Maryfran Martin, Technical Assistant 



Claude Russell Rose, Field Assistant 



Dennis Lee Dooley, Field Assistant 



Charles F. Thoits, III, B.A., Research Associate* 



David L. Thomas, B.S., Research Assistant* 



Ronald G. Barker, Field Assistant* 



Section of Applied Botany and Plant Pathology 



J. Cedric Carter, Ph.D., Plant Pathologist and Head 



J. L. Forsberg, Ph.D., Plant Pathologist 



G. H. Boewe, M.S., Associate Plant Pathologist 



Robert A. Evers, Ph.D., Botanist 



Robert Dan Neely-, Ph.D., Plant Pathologist 



E. B. Himelick. Ph.D., Plant Pathologist 



Walter Hartstirn, Ph.D., Assistant Plant Pathologist 

 D. F. Schoeneweiss, Ph.D., Assistant Plant Pathologist 

 Bruce L. Johnson, B.S., Technical Assistant 

 David Russell Vance, Technical Assistant 

 Betty S. Nelson, Technical Assistant 



Section of Wildlife Research 



Glen C. Sanderson, Ph.D., Wildlife Specialist and Head 



F. C. Bellrose, B.S., Wildlife Specialist 

 H. C. Hanson, Ph.D., Wildlife Specialist 

 Richard R. Graber, Ph.D., Wildlife Specialist 

 Ronald F. Labisky, M.S., Associate Wildlife Specialist 

 William R. Edwards, M.S., Associate Wildlife Specialist 

 William W. Cochran, Jr., Assistant Wildlife Specialist 

 Ethelyn L. Kirk, M.A., Technical Assistant 



Helen C. Schultz, B.S., Technical Assistant 

 Lucinda Jan is, Technical Assistant 

 Juanita L. Boehme, B.S., Technical Assistant 

 Robert D. Crompton, Field Assistant 

 Jack A. Ellis, M.S., Research Associate* 

 James A. Bailey, M.S., Research Associate* 

 William J. Francis, Ph.D., Research Associate* 

 Ralph J. Ellis, M.S., Research Associate* 

 Gerald G. Montgomery, M.S., Research Associate* 

 William L. Anderson, M.A., Research Associate* 

 George B. Josely'n, M.S., Research Associate* 

 Gerald L. Storm, M.S., Field Ecologist* 

 Stanley' L. Etter, M.S., Research Assistant* 

 Ronald L. Westemeier, B.S., Research Assistant* 

 Roger J. Siglin, M.S., Research Assistant* 

 Robert E. Hawkins, B.S., Research Assistant* 

 Keith P. Dauphin, Project Assistant* 

 Robert L. Cockrel, Project Assistant* 



Section of Publications and 

 Public Relations 



Owen F. Glissendorf, M.S., Technical Editor and Head 

 Blanche P. Young, B.A., Associate Technical Editor 

 William L. Tay'lor, Technical Assistant 

 Wilmer D. Zehr, Assistant Technical Photographer 



Technical Library 



Doris F. Dodds, B.A., M.S.L.S., Technical Librarian 

 Patricia F. Stenstrom, B.A., M.S.L.S., Assistant Tech- 

 nical Librarian 



CONSULTANTS: Herpetology, Hobart M. Smith, Ph.D., Professor of Zoology, University of Illinois; Parasitology. 

 Norman D. Levine, Ph.D., Professor of Veterinary Parasitology and Veterinary Research, University of Illinois; 

 Wildlife Research, Willard D. Klimstra, Ph.D., Professor of Zoology and Director of Co-operative Wildlife Re- 

 search, Southern Illinois University ; Statistics, Horace W. Norton, Ph.D., Professor of Statistical Design and 

 Analysis, University of Illinois. 



*Employed on co-operative projects with one of several agencies: University of Illinois, Illinois Agricultural Exten- 

 sion Service, Illinois Department of Conservation, National Science Foundation, United States Department of Agri- 

 culture, United States Fish and Wildlife Service, United States Public Health Service, and others. 



This paper is a contribution from the Section of Economic Entomology. 



