00931cam a2200265 4500 agr67000375 DLC 20260227111027.0 691215s1967 dcua b 000 0 eng c agr67000375 U.S. Nat'l Agr. Libr. DLC DLC A423.9 F764 no. 107 Talerico, Robert L., 1934- Fiorinia externa Ferris, a scale insect of hemlock by Robert L. Talerico, Charlew W. McComb and Wallace T. Garrett. [Washington, U.S. Govt. Print. Off.] 1967. 4 p. illus. 24 cm. United States. Forest Service. Forest pest leaflet 107 Caption title. Bibliography: p. 4. Fiorinia externa. Fiorinia externa. Hemlock Diseases. McComb, Charles W. (Charles Wight), joint author. Garrett, Wallace T., joint author. 12304 12304