PUBLICATIONS OF THE UNITED STATES DEPARTMENT OF AGRICUL- 

 TURE RELATING TO INSECTS INJURIOUS TO CITRUS AN1> OTHER 

 SUBTROPICAL FRUITS. 



AVAILABLE FOR FREE DISTRIBUTION BY THE DEPARTMENT. 



Scale Insects and Mites on Citrus Trees. (Farmers' Bulletin 172.) 



Control of the Citrus Thrips in California and Arizona. (Farmers' Bulletin 674.) 



Carbon Disulphid as an Insecticide. (Farmers' Bulletin 799.) 



Citrus Mealybug and its Control in California. (Farmers' Bulletin 862.) 



Citrus Fruit Insects in Mediterranean Countries. (Department Bulletin 134.) 



The Mediterranean Fruit Fly in Bermuda. (Department Bulletin 161.) 



Katydids Injurious to Oranges in California. (Department Bulletin 256.) 



Argentine Ant : Distribution and Control in the United States. (Department Bulletin 



377.) 

 Fumigation of Ornamental Greenhouse Plants with Hydrocyanic-acid Gas. (Depart- 

 ment Bulletin 513.) 

 Spraying for White Flies in Florida. (Entomology Circular 168.) 



FOR SALE BY THE SUPERINTENDENT OF DOCUMENTS, GOVERNMENT PRINTING 

 OFFICE, WASHINGTON, D. C. 



The Melon Fly in Hawaii. (Department Bulletin 491.) Price, 25 cents. 

 Preparations for Winter Fumigation for Citrus White Fly. (Entomology Circular 111.) 



Price, 5 cents. 

 Mango Weevil. (Entomology Circular 141.) Price, 5 cents. 

 Mediterranean Fruit Fly. (Entomology Circular 160.) Price, 5 cents. 

 Fumigation for Citrus White Fly, as Adapted to Florida Conditions. (Entomology 



Bulletin 76.) Price, 15 cents. 

 Fumigation Investigations in California. (Entomology Bulletin 79.) Price, 15 cents. 

 Hydrocyanic-acid Gas Fumigation in California. (Entomology Bulletin 90, 3 pts.) 



Price, 20 cents. 

 Fumigation of Citrus Trees. (Entomology Bulletin 90, pt. I.) Price, 20 cents. 

 Value of Sodium Cyanid for Fumigation Purposes. (Entomology Bulletin 90, pt II.) 



Price, 5 cents. 

 Chemistry of Fumigation with Hydrocyanic-acid Gas. (Entomology Bulletin 90, 



pt. III.) Price, 5 cents. 

 White Flies Injurious to Citrus in Florida. (Entomology Bulletin 92.) Price, 25 



cents. 

 Orange Thrips, Report of Progress. (Entomology Bulletin 99, pt. I.) Price, 5 cents. 

 Red-banded Thrips. (Entomology Bulletin 99, pt. II.) Price, 5 cents. 

 Natural Control of White Flies in Florida. (Entomology Bulletin 102.) Price, 20 



cents. 

 Argentine Ant. (Entomology Bulletin 122.) Price, 25 cents. 



