United States. Entomology Research Division.
J. R. Parker
John Rowley
D. S. Jackson
John L. Capinera
Claude Wakeland
United States. Department of Agriculture. Office of Information
Norman Criddle
Robert Ray Robinson
Canada. Agriculture Canada. Research Station (Saskatoon, Sask.)
United States. Agricultural Research Service
United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs
Alberta. Dept. of Agriculture. Plant Industry Division. Crop Protection and Pest Control Branch
Canada. Dept. of Agriculture. Entomology Division.
Benyong Mao
Unknown Author
D. F. Mayer
Daniel Suomi
P. Pastre