Field keys to predators of the balsam woolly aphid in North Carolina
By: [Gene D. Amman].
Series: Research note SE -- 145.; Research note SE -- 145.
Publisher: Southeastern Forest Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1970
Place of publication: Asheville, N.C
Language: eng
Subjects: Balsam woolly adelgid -- Predators of -- North Carolina; Balsam woolly adelgid -- Predators of -- Identification
Genres: Identification.
Notes: Caption title.

"December 1970."

Includes bibliographical references.