Fiorinia externa Ferris
Subtitle: a scale insect of hemlock
By: by Robert L. Talerico, Charlew W. McComb and Wallace T. Garrett.
Contributors: McComb, Charles W. joint author.; Garrett, Wallace T., joint author.
Publisher: U.S. Govt. Print. Off.]
Published: 1967
Place of publication: [Washington
Language: eng
Subjects: Fiorinia externa.; Fiorinia externa.; Hemlock -- Diseases.
Notes: Bibliography: p. 4.
Caption title.