UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 965 
Contribution from the Bureau of Entomology 
L. O. HOWARD, Chief 
Washington, D. C. T October 18, 1921 
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CONTROL OF THE ARGENTINE ANT IN 
CALIFORNIA CITRUS ORCHARDS 
By 
R. S. WOGLUM, Entomologist, and A. D. BORDEN, Scientific 
Assistant, Fruit Insect Investigations 
CONTENTS 
Page 
Introduction ...-'. ....... ' \ ,. . 1 
1 at ion of the Ant to the Citrus Industry 2 
Ot ->r Relations 4 
Distribution 4 
Characteristics and Habits 6 
Control 9 
Banding . 9 
Trap Netting .......... 18 
Poisoned Sirups 20 
Factors Influencing Control *.-••"• 84 
Control on Marginal Trees 87 
Clean Culture 38 
Control on House Lots or about Buildings 40 
Comprehensive Demonstration of Control 41 
Summary 41 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1921 
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