THE jHAWAIIAN 



f 0RE5TER I AGRICULTURIST 



Vol. IX. MAY, 1912. No. 5. 



MANILA MOSQUITO CAMPAIGN. 



The following appears in the report of the Philippine bureau 

 of science for the past year. It shows that "everlastingly at it" 

 is the price of success in war upon this great insect pest of man 

 and beast : 



"In the month of August, 1910, after a thorough canvass of 

 the field, a plan was suggested to the Director of Health, whereby 

 a temporary antimosquito brigade might be established looking 

 toward the eradication of the brown mosquito, Culcx fatigaiis 

 Wied., in the city of Manila and incidentally the lessening of the 

 day mosquito, Stcgomyia pcrsisfons Banks. 



"The work was not permanently organized until February, 

 1911, since which time we have been receiving the cooperation of 

 the Bureau of Health and the Municipal Board of Manila. It is 

 safe to state that the brown mosquito practically has been ex- 

 terminated in Manila. It is now almost impossible to secure 

 specimens of it for experimental purposes. 



"It is believed that this is the most serious mosquito pest we 

 have, but it can not be denied that, occasionally and for limited 

 periods, other mosquitoes might breed, if conditions favorable to 

 them were provided. This has been more than strikingly borne 

 out recently by finding Culcx microannulatus Thoeb., another 

 vicious biter, breeding in artificial pits, ponds, and pools created 

 in the process of construction going on at the new fill on the 

 water front and other work of improvement and beautifying in 

 the city of Manila. This mosquito, like the browm one, has 

 distinct and peculiar habits and can be kept down if one branch 

 of the government will cooperate with another in preventive 

 measures. 



"The work of eradication was somewhat crippled when the 

 American sanitary inspector in charge of it went to the United 

 States on leave. It can readily be understood that, unless this 

 work is continuously and steadily pushed under the supervision 



