Creator
- United States. Bureau Of Entomology3
- Hopkins, A. D. (Andrew Delmar), 1857 19482
- Cate, C. C. (Claude Clifton), 1882 1
- Cordley, A. B. (Arthur Burton), 1864 19361
- Oregon Agricultural College. Experiment Station1
- Oregon Agricultural Experiment Station1
- Pernot, E. F. (Emile Francis), 18591
- Webb, J. L. (Jesse Lee), 1878 19421