An important enemy to fruit trees
Subtitle: the San Jose scale; its appearance in the eastern United States; measures to be taken to prevent its spread and to destroy it
By: by L.O. Howard
Series: Circular / U. S. Department of Agriculture. Division of Entomology -- no. 3, sec. series; Circular (United States. Bureau of Entomology) -- 2nd ser., no. 3.
Publisher: United States. Dept. of Agriculture, Division of Entomology
Published: 1893
Place of publication: Washington, D.C
Language: eng
Number of pages: 10
Subjects: San Jos⥠scale; Aspidiotus
Notes: Also published in Insect life, v. 6, pp. 360-369.