Appendix 161 



ly sprayed. A single application will keep the poultry house 

 free from ticks for 3 months or longer, and at the same time 

 will eradicate poultry mites. Obviously, to avoid any pos- 

 sible injury to the poultry, spraying should be done when the 

 birds are not in the house. 



American Dog Tick 



This tick, which can transmit the eastern strain of 

 spotted fever, is often found in parks, camp sites, and on 

 the premises of residences. It can be controlled by apply- 

 ing a % % DDT emulsion at the rate of about 3 pounds of 

 DDT per acre. 



WASPS AND HORNETS 



These inseas are killed readily by DDT. Spray their 

 nests with 5 % DDT solution or dust them with 10% pow- 

 der, and the wasps or hornets will abandon their nests with- 

 in a very short time. 



