LIBRARY 
August 1953 E-861 
AN ANNOTATED BIBLIOGRAPHY ON APHELINUS MALI (HALD.), 
A PARASITE OF THE WOOLLY APPLE APHID 
1851-1950 
Compiled by 
M. A. Yothers, Division of Fruit Insect Investigations 
United States Department of Agriculture 
Agricultural Research Administration 
Bureau of Entomology and Plant Quarantine 
