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The Literature of Arthropods Associated with Alfalfa 
1. A BIBLIOGRAPHY OF THE 
SPOTTED ALFALFA APHID 
Therioaphis maculata (Buckton) 
(Homoptera: Aphidae) 
D. W. DAVIS, Utah State University 
M. P. NICHOLS - E. J. ARMBRUST 
AP URAL or ny 
Biological Notes No. 87 
ILLINOIS NATURAL HISTORY SURVEY 
URBANA, ILLINOIS — FEBRUARY, 1974 
STATE OF ILLINOIS 
DEPARTMENT OF REGISTRATION AND EDUCATION 
NATURAL HISTORY SURVEY DIVISION 
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