Studies on the life history of the Virginia pine sawfly (Neodiprion pratti Dyar)
By: [By Charles H. Schaefer].
Contributors: United States. Forest Service.
Series: U.S. Forest Service research paper WO -- 2.
Publisher: Department of Agriculture, Forest Insect Laboratory
Published: 1964
Place of publication: Beltsville, Md
Language: eng
Subjects: Neodiprion pratti -- Maryland.
Notes: Cover title.

"April 1964."

Bibliography: p. [8]