How to control the San Jose scale
Contributors: United States. Division of Entomology
Series: Circular / U.S. Department of Agriculture. Division of Entomology -- no. 42, sec. ser.; Circular (United States. Division of Entomology) -- sec ser., no. 42.
Publisher: U.S. Dept. of Agriculture, Division of Entomology
Published: 1900
Place of publication: [Washington
Language: eng
Subjects: San Jos⥠scale; Aspidiotus