24 OCCURRENCE OF BEE DISEASES IN THE UNITED STATES. 



PUBLICATIONS OF THE DEPARTMENT OF AGRICULTURE ON BEE 



DISEASES. 



There are several other publications of the Bureau of Entomology 

 of this department which deal with bee diseases. They may be ob- 

 tained on request to the Editor and Chief of the Division of Publica- 

 tions, Department of Agriculture, and are the following: 



Farmers' Bulletin No. 442, "The Treatment of Bee Diseases." By E. F. Phillips, 

 Ph.D. 1911. 22 pp., 7 figs. 



This publication gives briefly the symptoms of the various bee diseases, with directions for 

 treatment. 



Circular No. 94, "The Cause of American Foul Brood." By G. F. White, Ph. D. 



1907. 4 pp. 



This publication contains a brief account of the investigations which demonstrated for the 

 first time the cause of one of the brood diseases of bees, American foul brood. 



Bulletin No. 70, "Report of the Meeting of Inspectors of Apiaries, San Antonio, Tex., 

 November 12, 1906." 1907. 79 pp., 1 pi. 



Contains an account of the history of bee-dl'icase investigations, the relationship of bacteria 

 to bee discEunes, and a discussion of treatment by various inspectors of apiaries and other prac- 

 tical bee keepers who are familiar with diseases of bees. 



Bulletin No. 75, Part II, "Wax Moths and American Foul Brood." By E. F. Phil- 

 lips, Ph. D. 1907. Pp. 19-22, 3 pis. 



An account of the beliavior of the two species of wax moths on combs containing American 

 foul brood, showing that moths do not clean up the disease-carrying scales. 



Bulletin No. 75, Part III, "Bee Diseases in Massachusetts." By Burton N. (iates. 



1908. Pp. 23-32, map. 



An account of the distribution of the brood diseases of bees in the State, with brief directions 

 for controlling them. 



Bulletin No. 75, Part IV, "The Relation of the Etiology (Cause) of Bee Diseases to 

 the Treatment" By G. F. White, Ph. D. 1908. Pp. 33-42. 



The necessity for a knowledge of the cause of bee diseases before rational treatment is possi- 

 ble is pointed out. The present state of knowledge of the causes of disease is summarized. 



Bulletin No. 98, "Historical Notes on the Causes of Bee Diseases." By E. F. Phil- 

 lips, Ph. D., and G. F. White, Ph. D., M. D. (In press.) 



A summary of the various investigations concerning the etiology (cause) of bee diseases. 



Technical Series No. 14, "The Bacteria of the Apiary, with Special Reference to Bee 

 DL<^eases." By G. F. White, Ph. D. 1906. 50 pp. 



A study of the bacteria present in both the healthy and the diseased colony, with special 

 reference to the diseases of bees. 

 [Cir. 138] 



