The effect of application timing on efficacy of Orthene forest spray against the gypsy moth in Pennsylvania
By: by Henery Willcox III and Thomas Coffey, Jr
Contributors: Coffey, Thomas, joint author; United States. Forest Service. Northeastern Area, State, and Private Forestry
Series: Forest insect and disease management, evaluation report
Publisher: Dept. of Agriculture, Forest Service, Northeastern Area State and Private Forestry
Published: 1977
Place of publication: Upper Darby, Pa
Language: eng
Subjects: Gypsy moth -- Biological control -- Pennsylvania; Insecticides -- Toxicology
Notes: Issued May 1977

Bibliography: p. 5