New Hope for Hemlocks

A diagram of an infected tree treated with a pesticide is labeled, protection strategies.

Exotic wooly adelgids are defoliating hemlock trees in the eastern United States. Scientists from the U.S. Forest Service are enlisting the help of predator beetles to reduce the number of wooly adelgids.

(Source: DCMP)

Metadata

Files 1

  • New Hope for Hemlocks

    Type:
    Video
    Format:
    Streaming
    Accommodations:
    English Audio Descriptions - Visual, English Captions - Auditory
    Languages:
    English
    License:
    DCMP Membership
    Author:
    PBS Learning Media
    Length:
    6 minutes