• publisher: Washington, D.C. : U.S. Department of Agriculture, Bureau of Entomology
  • creator: Middleton, William United States. Bureau of Entomology United States. Bureau of Entomology and Plant Quarantine
  • contributor: United States. Bureau of Entomology. United States. Bureau of Entomology and Plant Quarantine.
  • Keyword: Scale insects Control. Euonymus scale Control. Shade trees Diseases and pests.
  • years: 1934.
  • pages: 1 p. ;
  • notes: "May 1, 1934."
  • download: pdf file