MEASURES USEFUL IN COMBATING ADULT 

 MOSQUITOES 



Screening. — Far too little attention has been paid 

 to the proper screening of sleeping apartments. The 

 time will come, no doubt, when screens will no longer 

 be needed against intruding mosquitoes and flies, — 

 indeed that day has already dawned for a few (a very 

 few) thoroughly enlightened communities which have 

 discovered that these noxious creatures can be con- 

 trolled with proper care. 



Against mosquitoes nothing larger than the best 

 one-millimeter mesh screen should be used, because the 

 mosquito is persistent and will work its way through 

 a large mesh. In malaria-ridden districts it is time 

 well spent to hunt down and destroy all mosquitoes 

 that may have secured entrance despite the screens. 

 It is furthermore wise to carefully screen in all malaria 

 cases so that Anopheles mosquitoes cannot become 

 infected through the blood of such patients. 



For campers, prospectors, soldiers, and others required 

 to sleep out of doors special folding frames covered 

 with mosquito netting can be secured. These are 

 light and can be folded to convenient size for portage 

 when not in use. 



69 



