INVESTIGATIONS IN BURMA, JAVA, ETC. 23 



is distributed througliout India south of the Himalaya Mountains. 

 (See fig. 2.) 



Evidence of parasitism was seen in practically all localities mfested 

 with the wliite fly. 





^"^ / \^-^J'^^A^ CHINESE EMPIRE 



\ J PUNJAB f ^ ^N_ 



Jtn / /'^ I <»^^«^^^^^X.^ TIBET 



J 





CEYLON 



Fig. 2. — Map showing localities in which the citrus white fly {Aleyrodes citri) was found in India. 



(Original.) 



INVESTIGATIONS IN BTJBMA, JAVA, SOUTHERN CHINA, AND THE 

 PHILIPPINE ISLANDS. 



Leaving Calcutta December 24, 1910, the writer continued the trip 

 to Burma with the idea of searching a large citrus section reported to 

 be in the vicinity of Moulmein, Lower Burma. A week's search in 

 this region revealed about a half dozen dying orange trees which 

 were free of the white fly. Although reliable information was re- 

 ceived from an engineer in the Burmese public works department 

 that orange trees occurred wild some 50 miles to the east m the 

 mountains on the border between Lower Burma and Siam, as well 

 62800°— Bull. 120—13 4 



