IMPORTANT FLIES 119 



Study and experiment with all the most likely devices on 

 the market for outdoor fly extermination, and invent better 

 ones yourself, if you can. With the traps already available, 

 outdoor fly extermination, as one man who tried it has said, 

 " is so easy as to be almost humorous and so effective (the 

 flies disappear so suddenly) as to be little short of the uncanny." 



FIG. 60. " Getthelastone " fly nets 



The handles are long enough to reach the ceiling without stretching and the floor 

 without stooping, enabling one to catch any stragglers that may get by the traps 

 and into the house. Make them of finer-mesh mosquito net according to directions 

 (Fig. 5), cutting six nets to the yard. Long-handled swatters were tried, but they 

 too often spotted the ceilings and did not prove as effective or easy to use as the 

 nets. A larger insect net is most effective in exterminating stable and horn flies 

 from a dairy. Designed by the author 



Civic fly campaigns. As the fly problem becomes generally 

 understood by a community, the campaign comes naturally to 

 a dollar-and-cent basis. People will not trade in fly-infested 

 stores, markets, or milk depots, or patronize hotels or res- 

 taurants that are not free from flies. For this reason store 

 and restaurant keepers must see to it that no fly feeding or 

 breeding is possible on their own premises, and they must 



