Studies of the balsam woolly aphid, Adelges Piceae (Ratz.) (Homoptera: Phylloxeridae) and its effects on balsam fir, Abies Balsamea (L.) Mill
By: by R.E. Balch
Series: Publication -- 867; Publication (Canada. Department of Agriculture) -- 867
Publisher: Science Service, Division of Forest Biology, Dominion Entomological Laboratory
Published: 1952
Place of publication: Fredericton, N.B
Language: eng
Number of pages: 76
Subjects: Adelges; Balsam fir; Diseases and pests; Pinaceae
Notes: "January, 1952"--Cover.

Includes bibliographical references (p. 75-76).