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.; United States. State and Private Forestry. Northeastern Area.
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.