• publisher: Washington, D.C. : United States Dept. of Agriculture, Bureau of Entomology
  • creator: Colcord, Mabel United States. Bureau of Entomology
  • contributor: United States. Bureau of Entomology.
  • Keyword: United States. Bureau of Entomology Bibliography. Entomology United States Bibliography.
  • years: 1906.
  • pages: 21 p. ;
  • notes: Caption title.
  • download: pdf file