Description: Field Entomologist's File including correspondence received from field or assistant entomologists John J. Davis, E.L. Dillon, Frank N. Fagan, Wesley P. INT, Hugh and R.D. Glasgow, Alfred D. Gross, Charles A. Hart, H.E. Hodgkiss, George B. Howard, S.M. Pearis, B. B. Pratt, George E. Sanders, I.J. Sheppard, Lindley M. Smith, Charles B. Twigg, James A. West and H.F. Wilson about inspection of orchards and nurseries for San Jose scale, reports of work and travel, requests for supplies, insect populations, crop damage due to insects, travel conditions, policy on requesting removal of infested trees, notices to property owners to spray or remove infested trees or shrubs and publications on the San Jose scale.