Screening tests of organic insecticides against California red scale, second report
By: A.W. Cressman and J.E. Gilmore
Contributors: Gilmore, J. E. (James Eugene), 1927-; United States. Entomology Research Division
Series: ARS -- 33-68; ARS (Series) (United States. Agricultural Research Service) -- 33-68.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1961
Place of publication: [Beltsville, Md.?]
Language: eng
Subjects: Insecticides; Testing; Aonidiella aurantii; Control
Notes: Caption title.

"July 1961."