Pinyon needle scale
By: William F. McCambridge
Contributors: United States. Department of Agriculture; United States. Forest Service
Series: Forest pest leaflet -- no. 148; Forest pest leaflet -- 148.
Publisher: U.S. Dept. of Agriculture, Forest Service
Place of publication: Washington, D.C.?]
Language: eng
Subjects: Scale insects; Pine; Diseases and pests
Notes: Issued July 1974.

Includes bibliographical references (page 4).

Also available online.