- Wheeler, W. H., J. Hunt, and P. X. Peltier. 1951. List of intercepted plant pests, 1949 (list of pests recorded during the period 1 July 1948 to 30 June 1949, inclusive, as intercepted in, on, or with plants and plant products entering United States territory). United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, Service and Regulatory Announcements. 77 p.
- Wheeler, W. H., J. Hunt, and P. X. Peltier. 1952. List of intercepted plant pests, 1950 (list of pests recorded during the period 1 July 1949 to 30 June 1950, inclusive, as intercepted in, on, or with plants and plant products entering United States territory). United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, Service and Regulatory Announcements. 69 p.