416 



JOURNAL OF ECONOMIC ENTOMOLOGY 



[Vol. 14 



covered to approxim.ate a half or a quarter, from the identification. of 

 which the whole population was estimated. In all, 26,010 mosquitoes 

 were collected and identified in the sixteen months of the project, of 

 which 5,756 were A. occidentalis D. & K. Because this species found its 

 optim.um. breeding conditions in the immediate vicinity of the collection 

 point and its m_ore important bearing upon the malaria question, for as 



WEEKLY CATCH OF A. OCCIDENTALIS (^ 



^ JUNE JULY AUGSEPTOCT NOV DEC JAN FEBn^R APR MAY JUN[JDLYAU& SEPT 



WEEKLY CATCH OF A.0CCI0ENTALI3 9 

 Fig. 9. Seasonal Occurence of A. occide?italis 



