FIGHTING WESTERN PINE BEETLES Part 2

Description

Shows the activities of the Bureau of Entomology (Dept. of Agriculture) in eliminating the western pine beetle from the Sierra National Forest of California. The life cycle of the pine beetle is shown. Shows how the larvae, planted in the bark of trees, eventually kill the trees by girdling the bark. Infected trees are burned to prevent the spread of the pest. Includes shots of a forest fire.

Collection

Records of the Extension Service

Series

Motion Picture Films