REVISION MALACOSOMA HUBNER IN NORTH AMERICA 3 



tory, Sault Sainte Marie, Ontario; R. M. Prentice, H. R, Wong, and 

 K. R. Elliott, Forest Insect Laboratory, Winnipeg, Manitoba; R. R. 

 Lejenne, G. T. Silver, and D. Evans, Forest Insect Laboratory, Victoria, 

 B. C; D. A. Ross, Forest Insect Laboratory, Vernon, B. C; W. F. Barr 

 and E. C. Clark, University of Idaho; R. B. Selander and H. B. Cun- 

 ningham, Illinois Natural History Survey; A. Ortega C, Instituto 

 Nacional de Investigaciones Agricolas, Mexico, D. F. ; D. Y. Cho, 

 Institute of Agriculture, Suvvon, Korea; R. Rodriguez L., Instituto 

 Nacional de Investigaciones Forestales, Mexico, D. F.; M. G. Nau- 

 mann. University of Kansas; L. M. Martin, Los Angeles County 

 Museum; M. E. Smith, University of Massachusetts; R. L. Fischer, 

 Michigan State University; A. C. Hodson, A. G. Richards, J. R. Beer, 

 E. De las Casas, D. P. Olson, and R. C. Nelson, University of Minne- 

 sota; R. L. Eng and R. W. Trueblood, Montana Fish and Game 

 Department; G. R. Roemhild, Montana State College; H. J. Brodrick, 

 Big Bend National Park; J, L. Wade and W. E. Dyer, Mesa Verde 

 National Park; D. de L. Condon, and T. W. Stevens, Yellowstone 

 National Park; F. R. Brueck, Zion National Park; L. W. Quate, 

 University of Nebraska; R. C. Bechtel, Nevada Department of Agricul- 

 ture; J. N. KnuU, Ohio State University; F. F. Hasbrouck, Oregon 

 State University; H. E. Ostmark, Rocky Mountain Forest and Range 

 Experiment Station; J. W. Tilden, San Jose State College; C. P. 

 Kimball, Sarasota, Florida; M. D. Coffey, Southern Oregon College; 

 M. A. Cazier, Southwestern Research Station, Portal, Arizona; C. G. 

 Thompson, USDA, Beltsville, Maryland; C. M. Ignoffo, USDA, 

 Brownsville, Texas; M. K. Borrell, U.S. Forest Service, Sonora, 

 California; J. F. G. Clarke, W. D. Field, W. D. Duckworth, and H. W. 

 Capps, United States National Museum; G. F. Knowlton, Utah State 

 University; M. T. James, Washington State University; R. D. Pfadt, 

 J. Finzel, and A. D. Davison, University of Wyoming. Our gratitude 

 also goes to the numerous other persons in western North America 

 v/ho assisted in planning and carrying out the field v/ork. 



Acknowledgment is given to those United States, Canadian, and 

 state authorities who granted the permission necessary for interstate 

 and international transport of Malacosoma. Without their permission 

 the project could not have been carried out. 



Representative samples of adults and/or larvae of species and sub- 

 species collected during this study have been given to the following 

 institutions: California State Departmicnt of Agriculture, Los Angeles 

 County Museum, Illinois Natural History Survey, University of 

 Idaho, University of California at Berkeley, Cornell University, Utah 

 State University, Oregon State University, and Carnegie Museum. 

 More complete collections of adults have been deposited at the Ameri- 



